Output Power: 3W (RMS)Sensitivity: 84dbImpedance: 4 ohmsFrequency Response: 90Hz - 20KHzPower Input: 5V DC Power Adapter..

Frequency Response Curve designEfficient digital processing ICMagnetically shielded noise reductionFrequency response: 100Hz-18KHzPower supply: 5v/1A..

Bluetooth Version: Jieli 4.1Wireless PlayingWaterproof40mm SpeakerBluetooth Range: 10m1200 mAh Rechargeable batteryMicro USB Charging6 - 7 Hours Of Playtime With 3 Hours of Playback Time..

Power supplier: USB 2.0Output: 3W x 2Suitable for All device with 3.5mm jackRated Power: 3Wx2Maximum Power: 3.5WFrequency response: 20Hz – 20KHzNoise ratio S / N: 58dBImpedance: 4ΩDistortion: 80Hz-20KHz ≤ 1%Connection port: 3.5mm jack and USBSupports the adjustment button right on the speaker cable extremely convenientCompact design, exquisite beau..

USB Type: USB 2.0Rated power: 3Wx2Maximum power: 3.5WSignal to noise ratio: 58dBFrequency response: 20Hz-20KHzDistortion: 80Hz-20KHz..