HBQ - i7 Single Stereo Bluetooth Headset Adopted advanced Bluetooth V4.1 technology, transmit audio with fast speed and stability, low consumption and saves energy. It has function of English and Chinese voice prompt, connection status, power-on / power-off, incoming calls report, low battery alert, thoughtful design, very expedient for use. Meanwhile, you can link with 2 Bluetooth phones, will not miss enjoying fantastic music while chatting with friends or families. Main Features: ● Bluetooth V4.1 with dual modes, low power consumption ● English and Chinese voice prompt switch ● Supports reporting incoming calls and redialing the last call ● Can connect with 2 Bluetooth phones simultaneously ● Mini charging port, charge 80mins to reach full state ● Built-in 60mAh Li-ion battery, 3 - 4 hours music time for you ● 4.1g, light design, no burden on your ears