Brand N/A Model F-100 Quantity 1 Color Red + silver Bluetooth Version Bluetooth v2.1 Operating Range Compatibility Compatible Bluetooth v1.1 / v2.0 Microphone Yes Channels 2 Total Power 3W Impedance 4 ohm Signal to Noise Ratio(SNR) >=80dB Sensitivity 95dB Radio FM Radio (87.5MHz~108MHz) Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 750mAh Compatible With Iphone / Samsung / HTC Other Features Supports TF card up to 32GB; Interface: 2.5mm jack TF card slot micro USB port; Playing time: 4 hours; Supports Iphone / Ipad / HTC / Samsung / Motorola etc smart cell phones laptop and tablet PC with Bluetooth function; Supports hands-free talking and audio indication function. Packing List 1 x Bluetooth speaker 1 x Audio cable (40cm) 1 x Charging cable (40cm)