K500 Microphone Bluetooth Loudspeaker Portable Auto Pairing USB Charging Voice Amplifier phone Speaker For Teaching

K500 Microphone Bluetooth Loudspeaker Portable Auto Pairing USB Charging Voice Amplifier phone Speaker For TeachingSpecifications:Built-in 2200mAh battery can be d for 10 days.Portable voice amplifier is designed with large volume and clear sound, and there is no noise.It is suitable for teaching, tour guides, parties, lectures, s, ining, etc.It is compatible with devices with 3.5mm auxiliary port as speaker.Item Name: Audio SpeakerMaterial: ABSWorking Voltage: DC 3.7VCharging Voltage: DC 5.0VDisplay: LED DisplayBattery: Built-in 2200mAh Battery (Included)One-key : with One-key Function (When , you need to insert a TF memory card or U disk.)External Storage Play: Support U Disk/TF Memory Card Player (MP3 Format)Amplification Function: Support Plug-in MicrophoneFM Radio: Support FM RadioFunction Mode: "M" Function Key Support Switch to FM or MP3 PlayerFeatures: with Microphone, Teaching Acceory, WiredSize: 11.7cm x 8.5cm x 3.9cm/4.61" x 3.5" x 1.54" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the tures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Audio Speaker1 x r Manual1 x USB Cable1 x Wired Microphone1 x Belt