S-623 is durable bluetooth speaker of 10 watts output, deliverys perfect clear sound and strong bass. Main Features- 2 x 5 watts output creates amazing stereo and powerful bass- Bluetooth V3.0+EDR, supports connectivity of bluetooth, Aux in- Up to 10 hours playtime at medium volume- Built-in rechargeble 1400mAh ithium-ion battery- Body made of natureal bamboo, durable quality SpecificationsBluetooth version V3.0+EDROperation distance≤10MOperation frequency40-20KHZImpedance4ΩOutput power10W (2 x 5 watts)Audio signal -noise ratio65dB USB charging voltageDC 5VWorking voltage3.7VBattery capacityrechargeable 1400mAh ithium-ion batteryAudio input bluetooth&line-inCharging time4 hours Working Time10 hours on medium volume MaterialNature woodProduct size202*88*85mmN.W/G.W550g/...