Gaming headset W100

Chipset:Jieli 7018
2.4G Digital Wireless Headphones with USB Dongle for Computer
Detachable microphone
Product features:
Input method:USB
Frequency:2.400-2.483GHz
ISM frequency band/SFSK Transmission distance:10M
Playing time:15H The largest volume+glow
Charging time:2.5H
Battery:polymer 3.7V1000MAH with guard plate
Delay time:19.4MS
Technical parameters:
Speaker diameter:Ø40mm
Speaker frequency:20Hz-20KHz
Speaker sensitivity:118±3db(I/P Level:1mW,at 1KHz)