Item number: YS-DJ-02 (T)
Item name: wireless intercom safety helmet
Wear: circumaural
Mode of energy change: electret
With or without microphone: Yes
Product weight: 820G
Product material: environmental protection, ABS and rubber
Power supply voltage: battery voltage 3V-4.5V supplied
Operating frequency range: 400Mhz-480Mhz
Transmit power: 1W
Temperature range: -40 DEG to 60 DEG C
Charging time: less than 2H
Talking time: more than 8h
Standby time: 300h
Speaker impedance: 4 ohms
Range of frequency response: 20-20000Hz
Battery type: 3.7V lithium battery
Company name: ZhanTuGaoKe (Beijing) Culture Communication Co., Ltd.
DUNS Number:544582172
Address: RoomB1008, No. six, No. 37, Chao Qian Road, Changping District, Beijing.
Contact phone: +86-010-89786570 Fax: +86-010-89786570
Mobile phone: +86-13311295553
E-mail: zhantugaokebj@vip.sina.com
QQ:447413036 WeChat: gaoqiang13311295553
Web site: /EN/
