XH-A150 Digital bluetooth Amplifier Board PAM8403 Onboard Lithium Battery Phonograph Rechargeable Dual Channel 10W

Specification Input voltage DC 5VNumber of channels 2 channelsOutput impedance 4 8 ohmOutput power 5W 2IC PAM8403Operating Temperature 20 85℃Operating Humidity 5 95 RHModule Size 102 69 25mmInstruction 1 Install the TR18650 battery first pay attention to the positive and negative poles The battery is purchased by yourself 2 Two wire connect to speakers and red is positive and black is negative 3 Insert an TF card with MP3 music files in the TF card slot or a USB flash drive with MP3 music files inserted in the USB interface 4 Power on and it will automatically read TF card or USB flash drive and start playing music Default preference TF card 5 It needs remove TF card and U disk if connect Bluetooth Package Included 1 x PAM8403 5W 5W Dual Channel Bluetooth Audio Stereo Amplifier Module