Boomsbox ลำโพงบลูทูธ Wireless Bluetooth Speaker แจ้งแบบพกพาลำโพงไร้สายซับวูฟเฟอร์กลาง BoomboxBluetooth version: 4.2Output power: 10W *3 UnitsFrequency response: 50Hz-20kHzSignal-to-noise ratio: 40dBPower supply: 15V/4ABattery charge time: <5 hoursMusic playing time: up to 15 hours (- Varies by volume level and music content)Bluetooth transmitter power: 0-9dBmBluetooth transmitter frequency range: 2.402GHz-2.480GHzDimensions (H x W x D): 160mm/311mm /114mm
