Wireless dazzle colour portable Bluetooth speaker-Black

https://blog.hlcwholesale.com/ Functions: card insertion, radio, call function Type: Bluetooth speaker Connection mode: Bluetooth connection Interface type: USB Frequency response range: 80HZ-18KHZ Output power: 2 * 10W Power supply mode: built-in lithium battery Channel: 2 Playback duration: 6 hours Extended storage: 32GB Effective distance: 10m Display screen: Yes Playback format: MP3 Support APP: No Supported formats: USB flash disk+TF card Waterproof grade: non waterproof Built in battery capacity: 2000mA - 4000mA Battery capacity: 3.7V 3000mAh