Rolton K400 USB Portable Microphone Loud Speaker Amplifier Megaphone Cable Mic TF Card MP3 for Teacher, Tour Guide

Product Descriptions:

– Amplifys your voice and saves your throat. The sound is clear, crisp, no noise and no distortion. The sound can cover about 800m2, loud enough to cover a big room.
– Compact size (85*85*34mm) and light weight (133g). You can use the back clip to fix it on your belt or pocket. You can also use waistbelt to tie it around your waist or hang it on your neck.
– Rechargeable lithium battery (not included). Continously working time is up to 72 hours. You can use USB cable to charge this mini voice amplifier.
– Supports MP3/WAV audio playing: TF (Micro SD) card playing & USB flash drive playing. Can repeat single tune, loop all music and switch songs. Supporting 3.5mm AUX audio input (Mic port can be used as AUX port), can work as a wired speaker.
– The wired headworn microphone is adjustable. You can adjust the distance between your mouth and the mic. Made of durable and wear-resistant ABS material, this voice amplifier looks fashion. Suitable for teacher, trainer, singer, coacher, tour guide, shopping mall, presentation, outdoor speech and etc.

Specifications:

– Brand Name: Rolton
– Model: K400
– Product Size: 85*85*34mm
– Product Weight: 133g
– Working Time: Approximately 72 hours
– Audio formt: MP3 / MAV
– Lithium battery:1200 mAh
– Charging voltage: DC5.0 V
– Working voltage: DC3.7 V
– Rating:10 W
– USB/TF Card Slots: Yes
– 3.5mm AUX: Yes
– Basic function: MP3 Player-Voice amplifier
– Material: ABS