Wireless Headpsets, Silipower Bluetooth Earbuds with 2 Built-in Mic Headphones for Smartphones and Tablets (greens20) Comfortable Wearing Wireless Earbuds - Extremely lightweight and perfect size, you won't be uncomfortable after a long-time wearing. Anti-sweating material keeps the headphones fully function even when dripping with sweat. No wires tangling, it's easy to storage to anywhere. Enjoy High-Fidelity Sound - Crisp, crystal-clear sound quality and robust bass are realized through DUAL Bluetooth Earbuds. Ergonomic in-ear designed with solid sound-insulating material, reduces external noise while minimizing the sound leakage, giving you stunning sound. True Wireless Earphone - Fantastic TWS (True Wireless Stereo ) technology makes you enjoy music without any cord troubles. Advanced Bluetooth tech offers an extended 33ft range, super quick pairing with all smartphones or tablets. Multi-Function Bluetooth Headsets - Simply one press to answer or reject phone calls, Bluetooth pairing, power on/off, play/pause music/video etc., With built-in Mic, great for hands-free calling, listening to music, news, friends chatting, or working use. Enjoy the stereo sound by using them both or alone. Long Battery Life - Ultra-lightweight headphones built-in large capacity Lithium batteries, which allows for 2-3 hours of playtime. Portable charging case built-in 900mAh battery supports 6 times fully charging for the wireless earbuds. The headphone battery status will be real-time displayed on your phone.