Size ChartFeatures:Battery capacity: 2000mAh lithium batteryBluetooth version: 5.0Speaker: 10WTransmission distance: about 10mFrequency response: 100Hz-20KHzSignal to noise ratio: ≥85dBWorking voltage: 3.7VDistortion: <1%Charging voltage: DC5VCharging interface: Micro USBSize: 180*58*58mmWeight: 400gCall duration: about 6hMusic playback: about 4hStandby time: ≥30 daysCharging time: about 4hUSB output: 5V1ALong PlaytimeS31 has a built-in lithium-ion polymer battery with a long battery life and can play music for 10 hours continuously.10W HD Sound Audio-ChipUnique audio chip technology. Analyze and amplify the bass frequencies of music in real time.Emits a powerful sound of up to 10 watts.Product List* Large battery* 10 Hours Playtime* Bluetooth V5.2* 10W high-powerTrue 360 ° stereoFull Bass Stereo – Bluetooth speakers provide immersive sound, rich bass, mid high, and dynamic sound. Even at maximum volume, there will be no broken sound, just like a live concert performance.Portable and Long Battery LifeParty speaker,with strong bass beyond its size,and 10H super long playtime.The long battery life and loud sound effects make it suitable for any indoor&outdoor activities.uses the stronger internal magnetic speakers.It makes the speakers bluetooth wireless with stronger anti-interference ability,and lighter weight,which is used in various high-end speakers.If you are looking for portable speakers,this would be up to your choice.Wireless Bluetooth StreamingBluetooth V5.2 features strong resolution, stable transmission, low power consumption, and wide purpose of use, delivering high-quality audio experience.IPX5 WaterproofThe portable speakers bluetooth wireless is resistant to splash, rain, gentle spray, therefore it is applicable in shower room,by the pool or beach.But do not drop it directly into water.In addition,Zealot speakers bluetooth wireless cover 12-month hassle-free purchase experiences and our lifetime customer services assistance. If you are doing halloween decorations, let music surround by your side, colorful your life.Packaging List:1 x Zealot S31 Bluetooth Speaker1 x usb charging cable1 x aux audio cable1 x user manual