Color Red + White Model QC-001 Material Plastic Quantity 1 Piece Bluetooth Handsfree Yes Bluetooth Version V2.1 Operating Range 10 Meters Total Power 3 W Channels 1.0 Interface OthersTF card slot / Mini USB Microphone Yes SNR >/=85dB Sensitivity 85~92 Frequency Response 150~18KHz Impedance 4 ohm Applicable Products Iphone 5Iphone 4Iphone 4SIpadIphone 5SIphone 5C Radio Tuner No Supports Card Type MicroSD (TF) Max Extended Capacity 8GB Built-in Battery Capacity 500 mAh Battery Type Li-ion battery Talk Time 2 Hour Standby Time 72 Hour Music Play Time 2~3 Hour Power Supply DC 5V output:3.7V 1000mA Other Features Can be as a external wired speaker or bluetooth speaker; Supports hands-free speaking; Supports control by cellphone; Supports choose last next and pause; Can watch moive or voice talking on computer w/ bluetooth adapter. Packing List 1 x Speaker 1 x 2-in-1 audio cable (48cm) 1 x English user manual