1) High quality sound: High fidelity stereo wireless headphones with a decent bass and mid-frequency response 2) Get longest playtime: This headset provides an extraordinary 12-14 hours talk/play time with 430 hours of standby on a single charge 3) Wireless calling: It can be used both for making or receiving phone calls from any Bluetooth enabled smartphone 4) Efficient and fast wireless operation: It uses power efficient Bluetooth 4.1 BLE can connect with two devices simultaneously with ease