--- product_id: 165937916 title: "10hrs Single Earbud" brand: "nvahva" price: "R$264" currency: BRL in_stock: true reviews_count: 12 category: "Nvahva" url: https://www.desertcart.com.br/products/165937916-10hrs-single-earbud store_origin: BR region: Brazil --- # Ultra-light 0.15oz design 10H battery life Multi-point pairing 10hrs Single Earbud **Brand:** nvahva **Price:** R$264 **Availability:** ✅ In Stock ## Summary > 🎧 Stay hands-free, stay ahead—your all-day wireless wingman. ## Quick Answers - **What is this?** 10hrs Single Earbud by nvahva - **How much does it cost?** R$264 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/165937916-10hrs-single-earbud) ## Best For - nvahva enthusiasts ## Why This Product - Trusted nvahva brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Double device, zero hassle:** Connect simultaneously to two phones and switch between work and personal calls without missing a beat. - • **Tailored fit for every ear:** Ergonomic 'L' shape plus three ear tip sizes ensure a secure, personalized fit that stays put, no matter your hustle. - • **All-day power, zero downtime:** Up to 10 hours of uninterrupted calls & music with a quick 2-hour recharge—stay connected through your busiest days. - • **Seamless control at your fingertips:** One multifunction button lets you answer calls, control music, and redial effortlessly—no fumbling, just flow. - • **Featherweight comfort, all shift long:** At just 0.15oz and compact dimensions, this earpiece feels like a natural extension of your ear—perfect for marathon meetings or commutes. ## Overview The NVAHVA Single Bluetooth Earpiece delivers a powerful 10-hour battery life with rapid 2-hour charging, wrapped in an ultra-light 0.15oz ergonomic design. Featuring multi-point Bluetooth connectivity, customizable ear tips, and intuitive one-button controls, it’s engineered for professionals who demand seamless, all-day wireless audio for calls, music, and multitasking across devices. ## Description Product description HOW TO USE This is a SINGLE EAR bluetooth earbud, so you can listen to your surroundings with the other ear. Based on the operation guide steps, the wireless earbud can easily and quickly connect with smartphones, tablets and other Bluetooth devices. Pairing Steps • Press the earbud button 1-2 seconds to turn on it (voice prompt: ‘power on’, indicator flashes red and blue alternately) • Search name "J18" with your phone and connect (voice prompt: ‘power off’, no flash after paired) Microphone Volume Adjustment Methods • Connect the earbud with your phone by bluetooth • Adjust the phone volume itself to the max • Go to the phone page 'Setting'>'Sound&vibration'>'Volume' to adjust the proper volume for call/music/AI voice. If your phone has 'sound booster', turn on it, which helps the bluetooth earbud hear more clearly. • Please check if your cell phone disable the microphone. some brands of cell phones prohibit the microphone bluetooth function turned on automatically, you need manually turn it on at the first time using. If you have any question for the earbud operation, you could find the solution at the backside of the product package and user manual, or please ask us for a complete FAQ guidance of Bluetooth Headphone, you can find the solution finally! What’s mini earbud Comparing with over-head, ear-hook, neckband, on head style headsets, the earbud looked smaller, we can call it mini. But mini doesn't mean that it's tiny, hidden or invisible in the ears. How to chose the right size earbud Please measure and refer to the size of the headphones and ear caps you are using, compare the size of NVAHVA brand earbuds and ear caps, as well as the wearing style to judge whether our products is suitable for your wearing habits and ears. Battery Maintenance Methods • To protect battery life, you'd better charge the earpiece once every month if you don't use it. • Do not use out all power of the headset each time. • The earbud can not wash or soak in water, keep it dry. • Please use a charger with no more than 5V-1A output, fast charging is prohibited to avoid damage to the headphone battery. How to Solve Signal Disconnect Problem • Ensure that the headset is not low battery • Keep earbud with your phone in 10m distance (no obstacles and strong sources of interference) • Clean phone caches and upgrade the phone software to the lastest version, delete paired name and connect again Product Description 1. The bluetooth v5.0 earpiece supplies up to 10 hrs hands-free cell phone music and calling time (depends on volume), which is one of top records in mini bluetooth earbud products. 2. Light and Small: 0.15oz small earbud makes lower burden for long wearing; mini size, nearly hidden in ear. 3. Custom Fit: ergonomics"L" shape design and 3 different sized ear plugs ensure the earbud great sungfit in ear. 4. Easy Operation: Easily to answer/end calls, play/pause music, songs switch (Next), Siri activated through one button. 5. Multi-point connection: Single Earphone supports multi-point wireless connection with 2 mobile phones. 6. Suitable with ios android smart phones PC TV etc; you also can use this earphone at car sports trucker office etc WHAT'S IN THE BOX 1 pc x bluetooth earpiece 1 pc x user manaul 1 pc x micro usb charging cord (apx 6.7 inch) 3 pc x ear caps (calibre: 0.39/0.47/0.55 inch) Long Battery Life Up to 10 Hrs music time Up to 10 Hrs talking time Up to 300 Hrs standby time The using time is floating in reasonable range, due to different using ways. Wearing Steps The design is suitable for L and R ears S/M/L 3 size ear caps available Wear direction: button up, hidden in ear Connection with 2 Phones Pair with phone 1 Turn off BT of phone 1 Pair with phone 2 Turn on BT of phone 1 It's connected with 2 phones Battery Level Display Battery level display on your phone Low battery voice notification 2 Hrs charging time USB Charging Port Cover USB port cover protect the earbud from sweat and dust No water-proof, No washing Wide Compatibility With Smart Devices Compatible with smart device built-in bluetooth function, like phone, pad, tv etc ## Features - 1. Real 10 Hrs Enhanced Battery: less than 2-hr charging, the bluetooth earbud provides up to 10 hours hands-free music and calling (depends on volume), has strong playtime among single ear bluetooth headsets. - 2. Light and Small: 0.15oz and small size (0.9x0.5x0.5 inch) earpiece makes lower burden for long wearing. - 3. Custom Fit: ergonomics "L" shape design and 3 different sized ear tip choice (calibre: 0.39/0.47/0.55 inch) ensure a great sung fit in ear. - 4. Easy Operation: easily to answer/end calls, play/pause music, songs switch (Next), last call redial through one multi-function button - 5. Multi-point connection: single wireless earbud supports multi-point connection with 2 mobile phones ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WCS71BX | | Additional Features | Lightweight, Microphone Included, Multipoint Pairing, Sweatproof | | Age Range Description | Adult | | Antenna Location | Calling | | Audio Driver Type | Dynamic Driver | | Battery Average Life | 10 Hours | | Battery Charge Time | 2 Hours | | Best Sellers Rank | #24,662 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #93 in Single Ear Bluetooth Cell Phone Headsets | | Brand | NVAHVA | | Brand Name | NVAHVA | | Built-In Media | 1 pc earpiecce, 1 pc usb cord (apx 7.6 inch), 1pc User Manual, 3pcs eartips | | Cable Features | Without Cable | | Color | Khaki/ nude | | Compatible Devices | Smartphones, Tablets, Laptops, Desktops | | Connectivity Technology | Wireless | | Control Method | Touch | | Control Type | Call Control | | Controller Type | Touch | | Customer Reviews | 4.0 out of 5 stars 1,301 Reviews | | Ear Placement | In Ear | | Earpiece Shape | angular | | Enclosure Material | Plastic | | Form Factor | In Ear | | Frequency Range | 20 Hz - 20,000 Hz | | Headphone Folding Features | In Ear | | Headphone Jack | micro-usb | | Headphones Ear Placement | In Ear | | Impedance | 16 Ohms | | Is Autographed | No | | Item Weight | 4 Grams | | Manufacturer | ZHONG YANG | | Model Name | J18 | | Model Number | J18 | | Noise Control | Sound Isolation | | Number of Items | 1 | | Number of Power Levels | 4 | | Series Number | 18 | | Specific Uses For Product | audio, call microphone | | UPC | 791281229517 | | Unit Count | 1 Count | | Warranty Description | one year | | Water Resistance Level | Waterproof | | Wireless Technology | Bluetooth | ## Product Details - **Brand:** NVAHVA - **Color:** Khaki/ nude - **Ear Placement:** In Ear - **Form Factor:** In Ear - **Impedance:** 16 Ohms ## Images ![10hrs Single Earbud - Image 1](https://m.media-amazon.com/images/I/41wJSsS1o0L.jpg) ![10hrs Single Earbud - Image 2](https://m.media-amazon.com/images/I/41kOaL6-GvL.jpg) ![10hrs Single Earbud - Image 3](https://m.media-amazon.com/images/I/61R9ex4wrhL.jpg) ![10hrs Single Earbud - Image 4](https://m.media-amazon.com/images/I/515DuWDyFGL.jpg) ![10hrs Single Earbud - Image 5](https://m.media-amazon.com/images/I/51j8EaM2sML.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Does it come with a changer?** A: No it does not but any mini charging plug (USB) will work. The battery life is good 8-9 hours but have never gotten 10 hours of use. FYI **Q: My galaxy s9 phone doesn't see the earbud, so how do i get the faq guidance?** A: hi, the earbud can pair with galaxy s9. Please have a try again according to the following steps: press button about 3-5 seconds until you hear "ready to pair”， blue and red light blinking by turns, it's ready to pair, or it can't be found by your phone. If it can't help you, you could apply for return at your order page. **Q: Can you actually see them in your ear? are the invisible two other people?** A: Yes others can see the Bluetooth **Q: Can I rewind and fast-forward my audiobooks with this earbud?** A: No. Simple listening only ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by E***5 on April 13, 2026* ### ⭐⭐⭐⭐⭐ Review *by J***N on May 11, 2024* ### ⭐⭐⭐⭐ Review *by B***S on December 1, 2025* ## Frequently Bought Together - NVAHVA Single Bluetooth Earpiece10 Hrs Playtime,Wireless Headphone, Mini Headset Hands-Free Car Earphone,Cell Phone Bluetooth Earbud for iOS Android Smart Phones PC TV Audiobook (Beige) - NVAHVA Bluetooth Earbud 10 Hrs Playtime, Single Wireless Earphone, Mini Bluetooth Headset Hands-Free Car Headphone, Cell Phone Bluetooth Earpiece for iOS Android Smart Phones PC TV Audiobook - SYSFUN Single Bluetooth Wireless Earbud, Mini Invisible in-Ear Wireless Bluetooth Headphone 12 Hours Super Long Battery Life Suitable for Sports Work and Sleep- Beige --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.br/products/165937916-10hrs-single-earbud](https://www.desertcart.com.br/products/165937916-10hrs-single-earbud) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-05-08*