PLAY X STORE Wireless Lightweight Headphone Mini Universal Headset with Microphone - Black CSR Bluetooth 4.1 chipset, providing steady Bluetooth signal and compatible with 99% Bluetooth-enabled device. Simple and fast pairing, turn on the bluetooth and it will automatically pairing with your device. Convenient and practical, equips with MEMS microphone for better voice and built-in voice prompt, battery indicator. Secure and comfortable, fit your ear with medical grade eartip and secure it with silicon earhook. Long battery life, up to 5 hours of music streaming and 180 hours of standby time.