Product introductionBluetooth solution Jerry Bluetooth5.0Bluetooth distance is 10 metersProduct size 12.5*7.5* 7.5cmHorn power 4 5W*2Speaker specifications 52mm external magneticBattery specifications Built-in 18650 1500MAH 3.7VPlay time 4H-6HCharging time 1H-2HProduct material ABS plastic