Features:This speaker owns excellent sound quality，with perfect audio design.Bluetooth audio transmission and handsfree call.Bluetooth selfie while listening to musicFM RadioPrompt tone for any work statusTF card playing mp3/wav format musicInbuilt high-capacity li-ion battery for power supply，long standby timeHow to use1.pls charge over 2 hours before use，the red light will be lit when it is charging.pls make sure it is on when its use，it will enter into bluetooth2.mode by default when no TF Card inserts into speakerSpecifications:Type: Bluetooth SpeakerMaterial: PlasticColor: RedOutput power:3WSensitivity ratio:360mvSNR:80dbInput power supply:DC5v/500mAFrequency:120HZ-20KHZBluetooth version:bluetooth 2.1+EDRUSB spec.: USB2.0Storage: TF card (card not included)Function: Bluetooth play， Selfie， Anti-lost， FM radio， TF card mode， Bluetooth handsfree call.Note: it is watch style，not real watch can not display timePackage Contents:1 x Watch Style Bluetooth Speaker1 x Data Cable1 x User Manual