Brand Fineblue Model F7800 Quantity 1 Color Black + silver Bluetooth Version V3.0 Ear Coupling Earbud Talk Time 4 Hour Standby Time 120 Hour Operating Range 10 meter Compatibility V2.1 / V2.0 / V1.1 / V 1.0 Microphone Yes Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 250mAh Compatible With Cellphone or tablet PC with Bluetooth Other Features DSP: noise reduction and echo cancellation Packing List 1 x Bluetooth headset 1 x Detachable ear hook 1 x USB cable (72cm) 1 x Stereo headphone cable (55cm) 1 x English / Chinese user manual