H1 Portable Outdoor Bluetooth Wireless Smart Speaker with Microphone Features: 1. With 2 wireless microphones, you can sing anytime, anywhere. 2. The wood-grain body is matched with metal buttons, elegant and classical style, dual visual and auditory enjoyment. 3. High-resolution restoration of music details, layered sound effects and stereo surround, dual-membrane resonance technology brings an excellent concert-like experience. 4. Lossless sound quality, stereo surround sound. 5. Large-capacity battery, long-lasting battery life. Parameters: 1. Bluetooth version: 5.3 2. Connection range: 8-10 meters 3. Speaker output: 16W 4. Charging voltage: 5V 5. Charging time: 2 hours 6. Working time: 6-10 hours 7. Standby time: 200 hours 8. Speaker size: 52mm 9. Size: 18.5x7.6x13.2cm 10. Microphone size: 4x13.2cm 11. Weight: 650g 12. Battery capacity: 1800 mAh