Sound quality is very good by using this module.
With 3 keys for adjustment, convenient and easy operation.
USB interface, powered by DC 5V.
Applicable speaker impedance: 4/6/8 ohm.
Long press on/off key, until indicator light flashes red and blue alternately, start pairing, your device display"SANWU Audio", automatic connection, then start to play your device audio.
Supply Voltage: DC 5V(Recommend mobile phone charger or power supply)
Power Interface: Mini USB Interface
Audio Input: Bluetooth 4.0
Bluetooth Chip: CRS8635
Impedance Range: 4-8 ohm, best for 3W