China Wireless Bluetooth Headset I666 Tws Bluetooth 5.0 Earphones, Find details and Price about China Headphones, Headphone from Wireless Bluetooth Headset I666 Tws Bluetooth 5.0 Earphones
Bluetooth version: Bluetooth V5.0 + EDR two-way call |
Bluetooth use frequency band: 2.4GHz |
Frequency response range: 20-20000Hz |
Communication distance: 12 meters |
Talk time: 3-5 hours |
Play time: 2-2.5 hours |
Working voltage range: 3.0V-4.2V |
Charging time: about 1 hour |