Brand AoYunSheng Model BT-101 Quantity 1 Color White Bluetooth Version Bluetooth v2.1 Operating Range 15 meter Compatibility Compatible with Bluetooth v2.0 Microphone Yes Channels 1 Total Power 3W Impedance 4 ohm Signal to Noise Ratio(SNR) 85dB Sensitivity 85dB +/-2dB Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 600mAh Compatible With Iphone 5 etc products with Bluetooth function Other Features High glossy UV painting decoration; Bass sound performance; Unique external power amplifier design; Integrated high-quality PCM decoder; Supports direct and tone input mode BQB Certification Yes Packing List 1 x Speaker 1 x USB cable (76cm)