CP0212B Features Directly plays music from the TF card Supports line-in function for connection with computers， MP3/MP4 players， mobile phones FM radio supported The wrist strap adds more convenience for carrying General Specs Brand & Model KOLEE K-29   Audio Format MP3 FM Radio 150-18000Hz S/N >80dB Power Supply Charged via a USB cable Card Reader Supports external TF card Ports 1 x TF card slot， 1 x 3.5 mm audio port， 1 x line in Dimensions 45 x 32 mm