Features: Type: portable speaker Model: Hopestar Party 210 Mini Bluetooth version: 5.3 Power: 30W Backlight: RGB 10 modes Connection interface: Bluetooth, USB, AUX, SD, TF Battery capacity: 4000mAh Reproducible frequencies: 80 Hz 20 kHz Operating time : about 46 hours Battery type: 18650 lithiumion battery Input power: 5V 1A Maximum current consumption: 1A Degree of protection: IPX5 Operating radius: 10 meters Audio signal input interface: standard 3.5mm headphone stereo Number of speakers: 2 pcs. each 66 mm TWS Function: will combine two speakers into one 1+1 stereo system Output power: 10 W * 2 pcs. Size: 216*125*119 mm