Color Red + Multicolored Brand Tecsun Model A6 Material ABS + Aluminum alloy Quantity 1 Piece Shade Of Color Red Total Power 3 W Frequency Response 20Hz~20KHz Impedance 4 ohm Channels 2.0 Interface 3.5mmOthersMini USB / TF slot Remote Control Type wired Supports Card Type MicroSD (TF) Max Extended Capacity 32GB Radio Tuner Yes FM Frequency 64~108MHz Built-in Battery Capacity 1000 mAh Plug Specifications OthersUSB 2.0 Power Supply DC 5V 500mA Other Features Antenna: 30.7cm; Kindly designed easy to carry and operate; you can input radio frequency songs directly; MP3 breakpoint memory; LED digital display Packing List 1 x Player (16.5cm-strap antenna 10cm-31cm) 1 x USB data cable (54cm) 1 x Li battery (3.7V / 1000mAh) 1 x Chinese user manual