Features:Built-in Bluetooth 3.0 module, can be paired with iPhone 4/4s/5/5c/5s, iPad, Galaxy S4/S3, Note3/2, HTC phones or any other bluetooth-enabled devices.Support Bluetooth stereo sound, perfect sound quality.Built-in Microphone, enjoying hand-free call.Powered by built-in rechargeable battery (charged by USB cable).With unique water-resistant design with suction cup back, it can be sucked on any flat surface including desk, shower, door, wall, window, etc.Specifications:Bluetooth support: V 3.0 EDRRange: 10M/ 33FT(the distance depending on specific environment)Transmitting frequency: 2.4GHZPower supply: DC 5V/ 100-120mABattery: 3.7V 400mAh lithiumCharging time: Approx. 3 hoursOperating time: Approx. 6 hoursIP grade: IPx4Material: Silicon ABSColor: PinkItem size: Approx. 8.5 * 5.5cm/ 3.3 * 2.2in(D * Max.H)Item weight: Approx. 108g/ 3.8ozCase size: 9 * 6.7cm/ 3.5 * 2.6inTotal weight: Approx. 191g/ 6.73ozPackage list:1 * Bluetooth mini speaker with case1 * USB charging cable1 * User manual