Color Black + Silver Grey Brand Tecsun Model ICR-100 Material ABS + Aluminum alloy Quantity 1 Piece Shade Of Color Black Total Power 3 W Sensitivity Sperior 3uv Frequency Response 20Hz~20KHz Impedance 4 ohm Channels 2.0 Interface 3.5mmOthersMini USB / TF slot Remote Control Type OthersNo Supports Card Type MicroSD (TF) Max Extended Capacity 32GB Radio Tuner Yes FM Frequency 76~108MHz Built-in Battery Capacity 1000 mAh Plug Specifications OthersUSB 2.0 Power Supply DC 5V Other Features Audio format: MP3 / WMA / WAV; With recording function; Record format: MP3 / 128Kbps Packing List 1 x Player (14cm-strap) 1 x USB data cable (73cm) 1 x Audio cable (52cm) 1 x Lithium battery (3.7V 1000mAh) 1 x TF card (2GB) 1 x Chinese user manual