SUNYEE Wireless Stereo Bluetooth Earbuds Headsets + Sports Earhooks for iPhone, iPad, Nokia, HTC, Samsung, LG, MOTO and PC Computer - Retail Packaging (SUNYEE Black) Comfortable, flexible and light cable wire made of ultra-light shape memory alloy. Easy to handle ear set with magnetic properties. Using the world famous brands CSR4.0 Bluetooth Stereo Bluetooth chips Extended battery life !-Talk/Standby/Music Play Time : Up to 15 / 500 / 10hours Music play time: Up to 8 Hrs. Charging time: &lt;2.0Hrs. Compatible with most cellphone and devices with bluetooth capabilities.High quality soud with HD speaker and enhanced BASS effect. CD quality sound with apt-X codex support. HD quality calls with VoLTE(voice over LTE) support.