Wireless Bluetooth Speaker With RGB Light Waterproof Stereo Atmosphere Light 1. It is a Bluetooth speaker and an LED ambient light: seven preset lights, the color can change as you like, and there are multiple lighting modes to suit different scenes. 2. Upgraded version of Bluetooth 5.3, stable connection even at long distances 3. 52mm external magnetic speaker, rich bass, loud treble, 360-degree surround sound effect 4. 800 mAh lithium battery, continuous playback at high volume for 3.5h, Type-C interface, more convenient charging 5. The lanyard design is easy to hang, and the angle of the lanyard can be adjusted to enjoy music from different angles at any time. 6. Supports two playback modes, BluetoothTF card can be switched at will 7. IPX5 waterproof, dustproof and shockproof, able to withstand knocks and collisions encountered in daily use Parameter: 1. Material: ABS plastic + iron mesh + silicone (handle, button) 2. Bluetooth version: 5.3 3. Connection range: greater than or equal to 10 meters (barrier-free) 4. Battery capacity: 800mAH 5. Operation mode: button 6. Charging voltage: 5V 1A 7. Speaker unit: 5W x 1 8. Distortion: less than or equal to 3% 9. Signal-to-noise ratio: greater than or equal to 80dB 10. Charging time: 2h 11. Playing time: 9-10h (60-70% volume), 3-3.5h (max volume)