XDOBO SINOBAND Party 1981 300W Outdoor Portable TWS Bluetooth Speaker with LED Colorful Light Features 1. Using Bluetooth 5.3 chip, the signal is stronger, the connection is farther, the transmission is more stable, and it is compatible with mainstream mobile phones and other audio source devices. 2. Colorful lighting effect design, full of atmosphere; three flash modes, suitable for outdoor lighting and emergency use. 3. Supports Bluetooth TWS dual-device serial connection to create 360-degree stereo surround sound, presenting concert-level sound effects for an immersive experience. 4. Built-in 30000mAh large-capacity car-powered 18650 battery, with a battery life of up to 20 hours, super large capacity, high conversion, and free singing. Specifications 1. Bluetooth version: V5.3 2. Connection distance: 15M 3. Rated power: 300W 4. Peak power: 400W 5. Audio input: Bluetoothsound cardAUXUSBinstrumentvoice 6. Speakermonitoring 6. Support music formats: MP3, APE, FLAC, WAV 7. Frequency response: 20Hz-20KHz 8. Signal-to-noise ratio: 80dB 9. Battery capacity: 30000mAh 10. Charging voltage: PD 65V5A (Max) 11. Charging time: about 3-5 hours (PD fast charging) 12. Playing time: 20 hours (varies depending on volume and audio content) 13. Dimensions: 295x180x352mm 14. Weight: 7556g