Promotion Gifts Mini Round Silicone Waterproof Bluetooth Wireless Speaker
Speakers / Waterproof Speaker
Promotion Gifts Mini Round Silicone Waterproof Bluetooth Wireless Speaker Product name Waterproof Bluetooth Wireless Speaker Power supplier DC5V Output power 3W Battery capacity 400mah Working range 10m Impedance 4 OHM(Ω) Output 3.7V~4.2V+0.05V Input 5V Signal&noise ratio ≥85dB Frequency response 100Hz--18KHz