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