New Rixing NR-3000M Bluetooth 5.0 Portable Karaoke Wireless Bluetooth Speaker with Microphone & Shoulder Strap(Blue) Tag-Test Tools Power supply mode: the transmitter

Power supply mode: the transmitter contains a CR2032 button battery

supporting 3A fast charging+data transmission

easy to understand

40kgs / 22

5V plus or minus ten percent

New Rixing NR-3000M Bluetooth 5.0 Portable Karaoke Wireless Bluetooth Speaker with Microphone & Shoulder Strap(Blue) Tag-Test Tools Power supply mode: the transmitter1. Bluetooth speakers are suitable for fashion outdoors and home 2. Equipped with wired karaoke microphone with shoulder strap 3. The fuselage is made of car paint technology, and the texture is exquisite 4. Built in 1500mAh full 18650 original battery 5. 10W high power, motherboard with boost 6. Perform Bluetooth playback test at 80% volume, playback time: 2 3 hours, charging time: 3 4 hours (playing time varies with volume and audio content) 7.