TitleThinkplus K3 Plus Speaker BT 5.2 Wireless Portable Mini Outdoor Loudspeaker Wireless Music Surround Bass Box MicFeatures Universal for mobile phones, computers and tablets. Multifunctional BT-compatible speaker, clock alarm, hands-free call, mini compact. Large-capacity battery, long duration, suitable for home, office, etc. Metal composite diaphragm, shocking HIFI-level sound quality 360 full-frequency sound field, three-frequency comprehensive balanceSpecificationBrand Name:TninkplusModel:ThinkplusK3 Plus Communication: BTBTVersion: 5.2Sound Type: PortableWaterproof: YesDrive Unit:52mmLighting:Colorful lightsCharging port:Type-CPower supply:DC5V,500mABuilt-in battery:3.7V/500mAhRated Power(W):3WPlayback Function: mp3Built-in Microphone: YesMaterial: PlasticPackage List:1*Speaker1*Data line1*User Manual