Brand Blue Tiger Model M8 Quantity 1 Color Black + silver Bluetooth Version Bluetooth v4.0 Ear Coupling Over the Ear Talk Time 30 Hour Standby Time 100 Hour Operating Range 10m meter Compatibility Compatible with Bluetooth v3.0 / v2.1 / v2.0 / v1.2 / v1.1 Microphone Yes Power Supply Built-in Battery Compatible With Iphone 5 PS3 and other cell phones with Bluetooth function Built-in Battery Capacity 400mAh Other Features Interface: Mini USB; Using CVC echo cancellation technology and noise reduction with DSP digital signal processing; It can connect two devices at the same time; Supports A2DP AVRCP Headset Profile Handfree Profile; With Text To Speech function; Bluetooth v4.0 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; High-fidelity headset design comfortable to wear; Transmission power: Class 2; To ensure the longer life of battery please make it between 15'C~25'C. Packing List 1 x Bluetooth headphones 1 x Data cable (120cm) 1 x English user manual 1 x AC power adapter (100~240V / 2-flat-pin plug)