Custom high quality speaker - Printed Santa Claus figure on the case - A speaker that directly plays music of SD memory cards etc - Supports USB flash/jump drive and SD card (max 16GB SD card) - Interfaces: USB+Power+Audio Out+SD - Suit for MP3 MP4 CD mobile phone and other digital products with 3.5mm audio jack - Built-in rechargeable 200mAh lithium battery - Frequency: 20HZ~20KHZ - Signal to noise ratio: 10dB - Bitrate: 64~320Kbps - Max audio output: 10mW (32 ohm) - Working current: 150~230mA - Charging current: 90~440mA - Charging voltage: DC5~5.5V - Package included: - 1 * MP3 Speaker - 1 * USB charging cable - 1 * Chinese/English user manual