--- product_id: 25945631 title: "Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee" brand: "smartdynamics" price: "VT8407" currency: VUV in_stock: false category: "Electronics" url: https://www.desertcart.vu/products/25945631-wireless-bluetooth-earphones-enjoy-quality-stereo-sound-earbuds-for-sports store_origin: VU region: Vanuatu --- # Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee **Brand:** smartdynamics **Price:** VT8407 **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee by smartdynamics - **How much does it cost?** VT8407 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/25945631-wireless-bluetooth-earphones-enjoy-quality-stereo-sound-earbuds-for-sports) ## Best For - smartdynamics enthusiasts ## Why This Product - Trusted smartdynamics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description The STN-840 Wireless Stereo Headphone from SmartDynamics is a High Technology Product that will allow you to listen to music while doing your favorite sports. It can connect your Cellphone to the Headset so you can receive and make calls.The packing list includes the following: .The Headphones/Earphones, . Two pairs of additional ear tips/ear caps/earpiece, .One pair of additional hooks/anchors.One pair of charging cable that connects the headset with a USB port in your computer or Tablet, .A small bag to carry your earphones/headset. . Operating Instructions. . The purpose of the ear tips and hooks is for you to choose the pairs that accommodate your ear best and stays firm in your ear while you move and do sports so please dedicate time in selecting the best ear tips and hooks for you.The second picture on our front page is called FUNCTION DESCRIPTION, it has a diagram of the Headset that explains the controls to use: On/off, Volume, USB Port and LED Light. There is a Right (R) and Left (L) Earphone marked where the cable connects. Please note that all the controls are on the right unit, on the left unit you only have ear tips and hooks. The Headset has a Voice Helper to lead you through the settings. This Helper can operate in English or Chinese, we have set the STN-840 to English. First charge the Headphone using the cable USB Port. A red light will turn on while uncharged. The light will turn Blue when charged. The first step is called pairing and this connects wirelessly the Headphones with your Cellphone. We suggest placing the left earphone in your ear while working the instructions on the right earphone, that way you con can hear the Voice Helper and the results of your settings. Please continue reading the Operating Instructions that comes in the package where settings are described in more detail. ## Features - Enjoy hearing the music you love while doing your favorite exercise. Leaves you Hands Free so you can be running, cycling or working at the gym. Amazing High quality digital stereo sound Earbuds. Noise cancelling effect and warm bass for you to enjoy. - Stay connected to the world with these Earphones, compatible with Apple´s IOS, Android and other Operating systems. Modern Wireless Bluetooth Technology connects the headset with the phone. Microphone incorporated to facilitate your calls. - Feel the earphone comfortable in your Ear. Comes with 3 sets of ear tips and 2 sets of hooks so you can choose the one that fits best in your ear and won´t fall while exercising. Earphones are light weight and sweatproof for your comfort. Designed for men and women of all ages wishing to do sports and enjoy listening to music at the same time. - 100% MONEY BACK GUARANTEE for 12 months. If you don´t like it for any reason within 1 year of purchase we will refund your money or replace the headset,no questions asked. There is NO RISK for you. - Simple to install and operate. Battery charging time is less than 2.5 hours. Working hours on the Headset between 8 and 10 hours. Maximum operating range between Cellphone and Earphones is 33 feet (10mts). ## Images ![Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee - Image 1](http://ecx.images-amazon.com/images/I/41t7OdEF9mL.jpg) ![Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee - Image 2](http://ecx.images-amazon.com/images/I/31Uqlif0%2B1L.jpg) ![Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee - Image 3](http://ecx.images-amazon.com/images/I/216OvfLVCnL.jpg) ![Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee - Image 4](http://ecx.images-amazon.com/images/I/31LUWy1XbyL.jpg) ![Wireless Bluetooth Earphones, Enjoy Quality Stereo Sound, Earbuds for Sports, Fits Comfortable in Ear, Sweatproof, Headphones for Men & Women of All Ages, Hands Free, 100% Money Back Guarantee - Image 5](http://ecx.images-amazon.com/images/I/41KjamZzebL.jpg) --- ## 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.vu/products/25945631-wireless-bluetooth-earphones-enjoy-quality-stereo-sound-earbuds-for-sports](https://www.desertcart.vu/products/25945631-wireless-bluetooth-earphones-enjoy-quality-stereo-sound-earbuds-for-sports) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-09*