Manufacturer Specifications General True wireless stereo( TWS),real no wires design, individual left and right channel, HIFI sound, both the left and right earphone are bluetooth enabled, could be used separately,or used as one pair.
Upgrade Bluetooth 5.0 Quick connection no delay, 500H stand-by time 3-4times charging for charge box.
Perfect sound quality True Stero/HIFI Quality.Automatic Pairing, Automatic Power off, Automatic charging.
Battery capacity: Earbud: 50mah rechargeable Li-ion battery Charging dock:400 mah (optional).
Talk/Play time: One Pair earbuds mode: about 2.5-4 hours.
Standby time: Single earbud mode: 100 hours; One pair earbuds mode: 60 hours.
Product name:wireless earbuds
Style: In-Ear
Communication: Wireless
Connectors: None
Wireless Type: Bluetooth
Vocalism Principle: Hybrid technology
Control Button: Yes
Volume Control: No
Active Noise-Cancellation: Yes
Function: For Mobile Phone,for Video Game,HiFi Headphone,For iPod,Sport,Common Headphone
Plug Type: Wireless
Sensitivity: 120±5dB
Frequency Response Range: 20-20000Hz
Line Length: None
Resistance: 32Ω
Waterproof: No
Model Number: i20 tws bluetooth earphones
Support Memory Card: No
Support APP: No
Is wireless: Yes
With Microphone: Yes
Brand Name: GQCBTNS
earphone charging time: about 40-50 minutes
charging box charging time: about 2.5-4 hours
Talking Time: 2-3 Hours
Bluetooth version: 5.0
Include:
1 set Bluetooth Earphones
. 
