Features:1. Outdoor dust-proof waterproof drop resistance portable bluetooth speaker. Anti-dust: Precision body design, to adapt to harsh environments, effective anti-dust. Anti-shake: Shatter-resistant silicone around the fuselage shell and strict construction process, vibration abrasion resistance.2. Standard bike bracket to ride in safety with outdoor bike bracket, secure and safe. with screw holes in the speaker base and distribution ride bracket. if you phone has no power outside, s11 can provide 5V/1A discharge current.3. Enjoy high quality HIFI sound stereo sound cavity structure, equipped with low frequency radiators, forming HIFI stereo make sound m-clear.4. 72mm bass speakers: speaker caliber upgrade, the volume is greater, lower frequency better, wider sound field, 72mm speaker diameter.5. bluetooth hands-free calls easy to release your hands built-in sensitive microphone, bluetooth hands-free calling, HD noise reduction, phone calls and voice chat as clear as face to face.Specification:Brand Name: ZealotModel Number: S11Optional Color: Black, Blue, Green, RedMaterial: MetalMicrophone: YesConnectivity: bluetooth/ 3.5mm Aux-inbluetooth Version:  V2.1Transmission Distance: 10mOutput Power: 5WSNR: 85dBImpedance: 32ΩFrequency Response: 18-20k HzCapacity: 4000mAh, 3.7VCharging Time: 8hTaking Time: 20hWorking Time: 20hStandby Time: 130 daysPackage  Included:1* Zealot S11 bluetooth Speaker Waterproof IP671* Charging cable1* Audio cable1* Holder1* Manual

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