Oweisong Waterproof LED Backpack with Bluetooth Wireless Speaker Cycling Knapsack Stereo Music Amplifier With TF Card Slot Double Independent Microphone Safety Warning Light Red

Description

Specification: Power Bank Output: DC 5V/1A Powered By: DC 5V/ 500mA Charging Time: 810 Hours USB Port: Micro USB Battery Capacity: 5200mAH Bluetooth Version: 2.1+EDR Bluetooth Distance: Normal 10m, Max. 20m Support Memory Card Type: TF card(Max.32G, mp3/wma/wav files) Stereo: 5W x 2 SNR: above 80dB AUX Port: 3.5mm How the Bluetooth backpack works? Amplifier On/Off Switch: Turn On/Off the amplifier function. Play/Pause/Answer/Hang up Button: Short press for Play/Pause, Long press(3s) to switch to TF card/Bluetooth mode, When calls coming, short press for answer, press again for hold on, long press for hang off directly. Next/Volume Up Button: Short press for next song, long press for turn up the volume, when increase to Max, there will be a beep. Previous/Volume Down Button: Short press for previous song, long press for turn down the volume. Dazzle light Turn On/Off Switch: Turn On/Off the dazzle light. Package Content: 1 x Bluetooth LED Backpack (Battery & Cable included) 1 x English Manual Reference