WH30 Headphone

Earphone battery capacity:120mAh
Transmitter batter capacity:400mAh
Battery power:3.7V
Charger power:5V
Charging time:2.5 hours
Working hours:8 hours
Charging:Solid red LED indicator
Fully charged:Solid areen LED indicator
Wireless technology:2.4GHz low-latency audiotransmission
Transmission range:30-50 meters
Frequency range:2.4GHz-2.48GHz
Low battery:Blinking red lights