1.Main function: Bluetooth. TF 2.card.USB.FM.TWS. AUX
3.Engineering: ABS+ fabric + portable
4.Bluetooth specification: Bluetooth5.3
5.Transmission distance: 10 meters
6.Speaker specifications: Ø45MM *1+ Bass diaphragm *1
7.Power amplifier specification: 4Ω/5W*1
8.Audio battery capacity: built-in 1200MAH
9.Playback time: About 3.5H 70% volume
10.Product size: 102*43*102mm
11.Color: BLACK, blue, red, green