Features:[Touch Control]Sensitive touch control panel with blue light, easy to switch songs, adjust volume, play/pause and switch play modes.[Large Capacity Battery]Built in 4000mAh large capacity lithium battery ensures up to 20 hours talk time / playback time; With USB Charging Port, can also be used as a power bank to charge the mobile phone.[3D HiFi Stereo Sound]Dual full frequency 40mm speaker drive units, 360 degree surround powerful bass and stereo HiFi sound effect.[Multiple Play Modes]Support AUX Line-out Music Play Mode, TF Card Play Mode, BT Music play mode, enjoy your music anywhere.[With HD Mic]Built-in sensitive HD microphone, Handsfree, Noise Cancelling technology, provides high-quality clear sound and great talking experience to you.[Detachable TPU Sleeve]With a detachable soft TPU sleeve, strong elasticity, comfortable touch, wear-resistant and scratch-free, suitable for outdoor use.Specification:Brand Name: ZEALOTModel: S8Type: BT SpeakerMaterial: MetalColor: BlackBT Version: BT 4.0BT Range: 10m/33ftSNR: ≥85dbDistortion: 1%Speaker: 2Frequency: 60-20KHzBattery: 4000mAh lithium batteryWorking Time: 20 hoursCharging Time: 8 hoursInput Voltage: DC 5VWorking Voltage: 3.7VItem Size: 17 * 7.2 * 7.2cm / 6.7 * 2.8 * 2.8inItem Weight: 428g / 15.1ozPackage Size: 24 * 11 * 9cm / 9.4 * 4.3 * 3.5inPackage Weight: 929g / 32.8ozPackage List:1 * ZEALOT S8 BT Speaker1* USB Cable1 * Audio Cable1 * Carabiner1 * TPU Sleeve1 * User Manual (English&Chinese)