Puffin Lunch New Arrival Wireless Bluetooth speakers Technical Specification: power output 9W, frequency 90Hz-20KHz, S/N Ratio 60dB, USB Power Input 5V, Dimensions W227*H333*D145MM.withBluetooth Description: press mode button to enter Bluetooth Mode, the display shows “BLUE” Using the native controls on your Bluetooth device hit search to scan for available devices and select will call out “connected” once paired successfully. PAIRING THE SPEAKER: rotate the volume button to switch on/off device, for wireless pairing turn the Bluetooth function of mobile device and connect. USB/SD CARD MODE: insert USB/SD Card in speaker and play music directly. FM RADIO MODE: Press the Mode Button to Activate FM Radio Mode. CONTROLS: Please So In the Image. CHARGING THE SPEAKER: please so in the Image. MATTERS NEED ATTENTION : Charging Indication is needed when the battery symbol is empty and twinkle, the product will into low power self-product state, the volume will drop 70%, please use the adapter to charge, red light on when charging and off when charging is finished.