K2 True Wireless Earbuds Bluetooth Twins Stereo Headphones

Tru Wireless Bluetooth headphones for use with mobile devices, hands-free.

Advanced Bluetooth 4.1 technology, 10m Bluetooth connection distance and built-in CVC 6.0 noise cancellation microphone, allow you to enjoy 360 High-Fidelity music anytime.

Ultra-lightweight and compact design. These wireless earbuds with a microphone make it easy to answer any call; perfect for sports, running, watching TV, listening to music, or sleeping. Ergonomic design with soft silicone ear tips. No matter how long you wear them, they'll make your phone calls and music more comfortable.

High-performance 40mAh rechargeable battery supports 3 hours of playback to enjoy your favorite music (full charge in about 1 hour); Built-in 450mAh battery case, can charge your wireless earphone 3-4 times without a cable.
It works with most smartphones, tablets, and other Bluetooth devices, for example, iPhone/iPad/Samsung/Bluetooth speaker/computer and more.