2600mAH large battery, long battery life, stable UHF connection signal, strong penetrating power, intelligent noise reduction, no whistling, compact and portable, support Bluetooth TF card U disk connectionUHF BLUETOOTH MEGAPHONE:1500m LOUDSPEAKER/ANTI-HOWLING/STRONG ENDURANCEBuilt-in optimization for no howling:The intelligent frequency conversion power amplifier has a built-in anti-whistle module, presents high-fidelity sound quality, and hears clearer and louder soundsUHF connection is not interrupted, farewell to the trouble of sound lagTraditional FM channel connection, prone to interferenceLoud volume:High-fidelity speakers restore the beauty of sound;5W high power and large volume / strong penetrationEasy coverage of 1500㎡:5W high-power uniform amplification, wide amplification area, let the sound spread to every cornerREC one-key recordingRetrieve the class review at any time:Support one-key recording, automatically save audio files to TF card/child diskNot only amplifying, but also a protector in the dark:With direct lighting, you are fearless even if you travel at nightSeparate design of acoustic noise reduction microphone, easy to wear:210g light body, easy to wear, not on the waist, unlimited use placeColour:Rose GoldMaterial:ABSPackage Contents:1 * Portable Bluetooth Speaker1 * 2-in-1 Charging Data Cable1 * Wireless Headset1 * Wired Headset1 * Waist BeltOnly the above package content, other products are not included.Note: Light reflection 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.