HIFI Bluetooth 5.0 Audio Adapter

Built-in rechargeable battery for standby and working. You must get it charged when the led indicator flashes quickly in red while using. ( NOTE: Please get it full charged ( charging more than 2 hours) for the first usage) 1 ) Charge Time: 2 hours 2 ) D indicator flashes slow in red when charging, and stays lighted when charging finished. NOTE: A ) There might be current noise during working when low power or being charged with a poor charger. B ) It would shorten the battery lifetime if keep charging constantly when working. C ) Don’t use or leave it under low power condition for a long time which would result in battery automatic protection doesn’t work Under transmit (TX) mode, F10 bluetooth adapter can be worked with devices without bluetooth, and transmit audio to such as to bluetooth headset, bluetooth speakers. CONNECT 2 DEVICES UNDER TRANSMIT (TX) MODE a ) Connect A device following steps of 8 TRANSMIT MODE (TX). b ) Turn on B device’s bluetooth after A is connected,press button 2 times quickly, indicator C flashes blue and white, and flashes wight slowly when connected.