Brand Woowi Model Mamba Quantity 1 Color Black Bluetooth Version Bluetooth V2.1+ EDR Ear Coupling Sport Talk Time 8 Hour Standby Time 180 Hour Operating Range 10 meter Compatibility HSP / HFP / A2DP / AVRCP Microphone Yes Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 170mAh Compatible With Iphone 3g / 3GS / 4 / 4S / 5 etc. Other Features With DSP digital noise reduction system; Waterproof design Certification FCC CE Packing List 1 x Earphone 1 x USB cable (110cm) 1 x 100~240V charger (2-flat-pin plug) 4 x Earcaps