Brand Fineblue Model T7100 Quantity 1 Color White Bluetooth Version V3.0 Ear Coupling Earbud Talk Time 4 Hour Standby Time 120 Hour Operating Range 10 meter Compatibility V1.1/V1.0/V1.2/V2.0 Microphone Yes Power Supply Built-in Battery Built-in Battery Capacity 150mAh Compatible With cellphones and tablets with bluetooth function Other Features Frequency range: 2.4GHz Support mode: A2DP / Headset / Handfree Packing List 1 x Bluetooth Headset 1 x Detachable Ear Hook 1 x Earphone cable (45cm) 1 x USB charging cable (65cm) 1 x English & Chinese User Manual 2 x Earplug