Quantity: 1 - Color: White + black - Function: MP3 player - Power supply: USB 5V - Compatible Cellphone: Iphone / Motorola / Blackberry / LG Samsung / Nokia / Sony Ericsson / HTC etc. - Bluetooth Version: Bluetooth V2.0+EDR - Transmit Frequency: 44.1KHz / 48KHz - Transmit Distance: 10m - SNR: 85dB - THD: 0.3% - Frequency Response: 20Hz~20KHz - Interface/Port: 3.5mm - Features: - It can change the wired to wireless and normal speaker to wireless Bluetooth speaker - It can match cell phone and Ipad which has Bluetooth then achieve wireless speaker - It can transform the music in the audio equipment to wireless playing music - Large compatibility: it can match cell phone and computer with Bluetooth - With the Bluetooth audio receiver you can enjoy the wonderful music movie and computer games - Instruction: - Use the Bluetooth USB insert to the speaker - Open the function of the phone's Bluetooth - Use the phone's Bluetooth function to search DMZMusic Bluetooth device - Find the DMZMusic Bluetooth device and pair it. The password is "0000" - Use the phone playing music and you can enjoy the music immediately - Packing List: - 1 x USB Bluetooth audio receiver - 1 x Audio 3.5mm male to male cable (25cm)