Moxom TWS Wireless Bluetooth Speaker SK37 Black

IPX 6 waterproof Wireless Version: 5.0 Working Distance：10-15M SNR (Signal to Noise Ratio):72dB Sensitivity: 490MV Output power：2x5W Frequency response：30Hz-18KHZ Maximum supported memory card capacity: 64GB Battery: 1200 mAh Playing Time: 5-7 H Power: DC5V/1A Charging Time: ≥2H