(1)Bluetooth version:Bluetooth V5.0

(2)Working Range: 10meter

(3)Built in 2500mAh rechargeable battery

(4)Support TF card play, Handfree Call and TWS Speakers

(5)Working time: up to 8hours

(6)Fabric cloth design

(7)Water proof IPX6

(8)Heavy bass Sound

(9)Distortion: <0.5%

(10)Frequency response: 100HZ-18K HZ

(11)Loudspesker output: 4Ω5WX2

(12)STN: ≥85±2dB