Fangrui Product Details 1.usb:you Can Download Mp3 Audio Files By Connecting To A Computer Via A Micro-usb Data Cable. 2.charging Indicator Light:the Indicator Light Is On During Charging,and The Full Light Goes Out. 3.play Indicator Light:it Is On During Voice Playback. 4.support Downloading Multiple Voice Files,and The Next Voice Will Be Played Each Time It Is Triggered. 5.8m Memory,1m Can Store About 1 Minute Of Audio Files;the Volume Can Be Adjusted;the Product Comes With A 3.6v Button Lithium Battery,which Can Be Charged Via Usb. Model:jr1652 Compatible Audio And Video Device Styles:speakers, Digital-to-analog Converters (dac), Players Memory Size:8m Product Name:usb Sound Module Box Sound Format:mp3 Music Time:8 Minutes Function:play Music Or Sound, Blessing Words, Play Music Or Sound Battery:rechargeable 3.6v Button Lithium Battery (included) Colour:white Material:plastic+pcb Specification: B: Keyboard Version Package Contents: 1 X Usb Sound Module Box Only The Above Package Content, Other Products Are N