6 pcs Electronic Accessories: 5 pcs Charger Module & 1 pcs Mp3 lossless decode boardsupport MP3 format, power automatically play, play the status of the red LED update.support U disk (tested over 32G), TF card (tested 16G) playback mode; power default TF card mode, if the TF card does not exist automatically jump to U disk mode, and both devices are installed, you can manually Set the playback mode, please refer to the keyMaterial:metalColour:blueCharger Module:MINI USB input terminal with a female, can be directly input to do with the phone charger rechargeable lithium battery, and still retains the input voltage wiring pads, can be very convenient DIY.This module is used for single-cell lithium or lithium multi-section parallel, charging ports can take power from USB.Input Voltage: 5VFull charging voltage: 4.2VMax output current: 1APower Indicator: Red stands for charging, Green stands for fullly charged.Input interface: MINI interfaceItem Size: 25mm*19mm.It can be used for voltage 3.6 3.7V, etc. 18650, polymer and other lithium battery charge and discharge protection.Mp3 lossless decode board:operation instructions.button to adjust the up and down track switch, volume + -, pause / play, mode switch,Note:"long press" time about 2SIf you use U disk mode, the proposed 5V power supply, some U disk does not support 3.7V power supply.Product specificationsPower supply range: 3.7 ~ 5.5VProduct Size: 45mm * 36mmExquisite double board design, large area copper, stable and reliable.Anti-static bag refined packaging, to avoid damage to the way of delivery static electricity.Package Contents:5 x Charger Module1 x Mp3 lossless decode boardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.