ขาย ลําโพงไมโครโฟนบลูทูธ rolton k500 สําหรับการเรียนการสอน ราคาที่ดีที่สุด

Bluetooth connect phone or computer to play music, Support TF Card to play music. Support FM Radio Support Recording Support Bluetooth remote Camera Rolton K500 Bluetooth Megaphone Function & Parameters: Unique appearance design, small size and light structure Body Size: 3.39'' * 1.57'' * 4.61'' ；Body Weight: 249 g Rechargeable and replaceable 2200 mAh lithium 18650 battery. Standby time can lasts 18~22 hours, more than 12 hours of continuous use after a full charge. Professionally amplifying sound, loud, clear, low feedback. Comfortable and convenient for Teachers, Coaches, Tour Guides, Presentations ect. Compatible with all media devices with 3.5mm AUX port as SPEAKER ; support TF Card (Not more than 32GB) MUSIC PLAYER, can directly play MP3,WMA,WAV format audio. FM RADIO, auto-search and save radio stations. Packing List: 1* K500 Voice Amplifier 1* User manual 1* USB Cable 1* 2200mAh replaceable Battery 1* Waistband Belt 1* Professional Wired headset Microphone