Brand Fineblue Model GT350 Quantity 1 Color Black Bluetooth Version V3.0+EDR 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 Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 150mAh Compatible With cell phones or tablets with bluetooth Other Features Interface: 1 x Micro USB charging port Power Adapter: input AC 100~240V 50/60Hz; Output 5V 200mA Connect with 2 phones and use at the same time Support volume adjustment Packing List 1 x Bluetooth Headset 1 x Detachable Ear Hook 1 x Stereo Earphone (69cm) 1 x 100~240V Power Adapter (2-round-pin plug / 32.5cm-cable) 1 x English & Chinese User Manual 1 x Clip 1 x Earplug