Callvi Anti-feedback 18w Mini Portable Loudspeaker With Microphone For Teachers Tour Guide

By following the ongoing market developments and trends, we are the leading Exporter, Manufacturer & Distributor of Callvi Anti-feedback 18W Mini Portable Loudspeaker with Microphone for Teachers Tour Guide in Shenzhen, Guangdong, China.
Specification :
1.NW.: 500G , GW. :702G
2.Body Size :160*113*40mm
3.Color box size : 236*171*66mm
4.Charging voltage : DC10V/350MA
5.Input signal: 1VP-P
6.Output impedance: 4IC
7.Output power :18w
8.Microphone sensitivity :-38db
9.FM frequency : 87.5MHZ-108MHZ
10.Battery capacity :7.4v/4400mah
11.Charging time : 4-6hours
12.Working time : 10-12hours
13.Color : dark blue, red
14.Accessories: manual ,microphone ,
charger,adjustable waistband

Features:
*. Support reverberation
*.Support TF Card and USB Flash drive ,can play MP3 Format audio directly
*. 18W Output , high volume without distortion
*. Built-IN MCU smart charging management system ,safe charging and discharging .
*.Power off resume function, accurately resume to last playing position.
*. LED indicator for battery capacity .
*. Support AUX audio input for external devices like computer speaker/IPAD/iphone
* .Built-in high sensitivity FM radio system , support auto scanning
*.Imported ABS material ,durable and wear-resistant.
*. Support reverbration , bass/tweeter
*.Uni-directional MIC ,anti-feedback