Zealot S37 Bluetooth Speakers 40W Output Power Wireless Sound Box Stereo Subwoofer Outdoor Waterproof Music Player Column
Battery capacity: 3000mah*4Bluetooth version: 5.0Speaker: 20w*2Transmission distance: about 10mFrequency response: 100Hz-20KHzSignal to noise ratio: ≥75dBWorking voltage: 3.7VDistortion: <1%Charging voltage: DC5VCharging port: Micro USBTalk time: about 8hTF card playback: 10-12HStandby time: ≥90 daysCharging time: 6-10HMicrophonePacking size:297*128*132mmWeight: 1.4kg