Brand Fineblue Model F8000 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 V2.1 / V2.0 Microphone Yes Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 150mAh Compatible With Cellphones or tablets with Bluetooth Other Features Voice prompt; Connect with 2 phones and use at the same time; DSP: noise reduction and echo cancellation BQB Certification No Packing List 1 x Bluetooth Headset 1 x Detachable ear hook 1 x USB cable (80cm) 1 x Stereo headphone cable (55cm) 1 x English / Chinese user manual