Wireless Earbuds, [Upgraded] Boltune Bluetooth V5.0 in-Ear Stereo Wireless Headphones 40Hours Playing Time Bluetooth Earbuds Built-in Mic Single/Twin Mode Description Features: Bluetooth V5. 0 with wireless earbuds： compared with the previous Bluetooth V4. 2 wireless earbuds, so here you are getting 2x faster transmission speed + more stable connectivity with no signal loss or music dropouts. The range is up to 50ft away. Never worry about any cut off during listening and controlling. We are making music playback and conversations smoother and clearer than ever. Make your lifestyle cool with Bluetooth 5. 0 earbudsOne-step paring technology： open the box, you can seamlessly pair this device to your Bluetooth devices automatically without any problem. You don't need any skills to use Bluetooth earbuds. In a couple of seconds, you will be in your euphonic music world.Type-c quick charge： Type-C USB 3. 1 connector transfer speed is up to 10 gbps and charge fully in 90 minutes Moreover, Type C offers a more stable and safer way to charge. This design also increases Bluetooth earbuds' battery life dramatically.Impressive 40H playtime: compact and lightweight magnetic charging case exclusively for you to carry wireless earbuds around. Bluetooth V5.0 massively reduce the level of power consumption, so you can get 6 hours of playtime (at 75% volume, multiple units tested with iPhone).34 hours with the charging box and realistic music for several days.Breathtaking music quality： The unique stereo sound quality and design gives you the perfect sound, and you can feel the more realistic music. Crystal clarity and Deep, resonant bass with delicately tuned sound signature deliver immersive sound and put you on the stage center. Also combined its CVC 8. 0 noise reduction functionality, you'll experience a whole new world of crystal-clear phone calls. Product Details: Handling We will ship all orders within 3 business day of payment. Delivery We Ship Outside of the Continental US. Return Policy All items qualify for returns within 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged. Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction.