Brand N/A Model 485 Quantity 1 Color Black + grey Bluetooth Version V4.0 Operating Range 10 meter Compatibility V3.0 / V2.1 / V2.0 / V1.1 Microphone Yes Radio N/A Supports Music Format MP3 / WMA / WAV Power Supply Built-in Battery Built-in Battery Capacity 250mAh Compatible With Supports the cellphone / tablet PC with Bluetooth Iphone Ipad MID and other Bluetooth devices Other Features Bluetooth V4.0 supports class 2; Supports HFP protocol handsfree phone call A2DP protocol; Advanced audio distribution profile supports stereo music play; AVREP protocol (audio / video remote control) remote control music (pause / play / previous / next); Frequency: 2.400~2.480; Talking time: 10 hours; Bluetooth and MP3 playing time 8~9 hours; 1 connection indicator light fast strobe as no connection slow strobe after connection; 3 x functional buttons ((Answer end playback pause pre/vol+ next/vol -)) 1 x 3.5mm audio jack 1 x Mini USB charging port Packing List 1 x Bluetooth music receiver 1 x USB charging cable (75cm) 1 x 3.5mm audio cable (150cm)