Feature●2. With DC isolation power supply: suitable for recharging speakers, power amplifiers and vehicles to Bluetooth function to solve common ground current sound and noise●3. AUX audio input, Qualcomm 5.0, / ATPXHD, on, the default volume is maximum●4. TI amp TPA6132A2, better sound●1. No DC isolation power supply: suitable for lithium battery supply, used to Bluetooth headphones●5. KCOM is the common end of the button, and the other end of the button is connected to +, -, PREV, , PLAY, and the button cable is within 5cmDescription Key Description:
" +": short press to increase volume, long press to increase volume
"-": short press to reduce the volume, long press to reduce the volume continuously
"": short press a song
"PREV": short press the previous song
"PLAY": short press to Play / Pause, long press for 3 seconds to force pairing mode, long press for 6 seconds to delete the pairing list
style: DC 3.3-4.2V lithium battery without DC isolation
colour: green
Material: plastic
Contents:
1 x Bluetooth receiver board