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Shenzhen HanZhiQiang Technology Co.,Ltd

Address:

 Room 513,HuaYuan Business Center, No.347, XiXiang Boulevard, XiXiang Sub-district, Baoan District,Shenzhen

 


Email:  

979333262@qq.com


Website:  

www.hanzhiqiang.com.cn

Tel:  +86 0755 27907003,   

Mobile phone: +86 18319049778 Simom


 

wireless teaching device

product features technical data

Features:

1.With LCD in Transmitter which channel status, microphone volume, battery status can be shown

2.Transmitter combined function of wireless microphone, PTT reading, teaching laser pen and to play music ,remote control function through computer

3.With built in microphone and external microphone jack, hand held or use with neck clip microphone, head microphone

4.adopt energe saving technology to reduce transmitting power, 1/90 of radiation of cell phone .

5.Inside polymer lithium battery and charging module; low battery reminding, charger indication; auto shut off after charging finish; up to 8 working hour .

6.with professional ID code transmit technology,  with more than 1 million code and each device with only one id code;  no disturb among multy same device in same location.


 

Spec:

Size: 111*28*14mm

Sensitivity: -44(dB)
Frequency response range: 40-16K(Hz)
impedance: 680Ω

Frequency: 2400-2482Mhz
Modulation:GFSK
RF power:0dBm
Working range:10-15m

Transmitter voltage: 3.7V polymer lithium battery
Working hour: 8H
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