Product Details
Product Description
Product Description
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/
>>
Hot Sale 10 Inch Color LCD Screen 4-Wire Handsfree Photo/Video Recording Video Intercom Doorbell
>>
Stainless Steel Home Apartment Electronic Digital Fingerprint Bluetooth Ttlock Smart Door Lock
>>
Laboratory Rotary Evaporator 2L-50L with High-Quality Glass Components
>>
14-Inch Laptop with Intel Celeron N3350, WiFi, Bluetooth, Camera
>>
M Series System Aluminum Frame Advertising Equipment Trade Show Booth
>>
4 Stroke Farm Vehicle UTV 300cc 4 Wheels Gas Fuel Buggy
>>
Cheap Custom Printed White Nonwoven Apron Disposable Adult Bib
>>
Alocasia ′black Velvet Variegata′ Tissue Culture Plants/Young Plants
>>
Factory Directly Sale Top Quality Mini Vertical Drilling and Milling Machine
>>
High Quality Metal Tie Clip for Men Gifts with Fast Delivery
>>
New Product 120 Ton Injection Molding Machine 110 100ton Moulding Factory Price Original and
>>
18 Inch Chrome Plate Woofer Speaker Professional 18′′ Low Range Woofer Driver
>>
Urethane sealant paste water expansion waterstopping adhesive construction subway construction embedded joints grease sealant
>>
Bamboo Spice Box Storage Organizer Round Bamboo Fiber Storage Holder Shelf
>>
Professional Factory Igh Back Executive Mesh 360 Swivel Ergonomics Office Chair
>>
Skz1060c High Quality Manufacturer Supplier 1500 º C Laboratory Equipment USB Thermal Instruments Meters Teat Analyzer
>>
Cooray Cr-Vmc High Rigidity Hard Rail Machining Center Vertical Machining Center
>>
Long-Lasting CO2 Laser Tube for Laser Engraving and Cutting Machine 1390
>>
Deerxuan T175 Car Windshield Winter Acceossries Universal Flat Snow Wiper Blade
>>
Custom Copper Stainless Steel Aluminum CNC Laser Cutting Sheet Metal Bending Stamping Parts
