Features:100% brand new and high qualitySupport in english chinese language switching Support voice recognition for call answering and rejecting Support music playing control and automatic switch when there is incoming call Support two-in-one and dual-headphone output Support various smart phones and tablet pcsSupport Self Timer FunctionSpecification:Bluetooth Version: Bluetooth 4.0 /4.1 Chips: CSR4.0 Transmission range: 10 meter/33ft Charging time:2-3 hours Talking Time:about 7 hours Compatibility:compatible with all comes Bluetooth phones Display power:In the iphone and millet phone can display Bluetooth headset battery case Sound Control、when a call comes in、you can only say "yes" or" no" Can connect two cellphones simultaneously、 and will not loss any callsColor: black、white、silverSize:33*21*22mmPackage Included:1*Mini Bluetooth Headset 1*USB Charger1*One-piece Headset 1*Earhook