Brand Blue Tiger Model M28 Quantity 1 Color Black + silver Bluetooth Version Bluetooth v2.1 + EDR / Class 2 Ear Coupling Headband Talk Time 30 Hour Standby Time 300 Hour Operating Range 10 meter Compatibility Compatible with Bluetooth v2.0 / v1.2 Microphone Yes Power Supply Built-in Battery Compatible With Iphone 5 PS3 and other cell phone with Bluetooth function Built-in Battery Capacity 400mAh Other Features Interface: TF card slot; Using CVC echo cancellation technology and noise reduction with DSP digital signal processing; Fashionable and folding design comfortable to wear; Supports A2DP AVRCP Headset Profile Handfree Profile; With Text To Speech function; Bluetooth v2.0 standard which is more clear and fast connected; Redial the last number refuse answering and volume adjustable function; Listening the music from cell phone or computer; Online chatting through Bluetooth wireless transmitter; Working temperature: -10'C~55'C; Storage temperature: -20'C~60'C Packing List 1 x Bluetooth headset 1 x English user manual 1 x AC power adapter (100~240V / 2-flat-pin plug) 1 x USB cable (103cm) 1 x Audio cable (150cm)