Wireless Bluetooth 5.1 provides Strong Bluetooth signal and anti-interference ability.
The headset can automatically power on and match With phone after picked up
Eliminating the troublesome operation of manual startup and pairing.
Voice could be heard on both sides of the headset, while only one side of Bluetooth 4.0/4.1/4.2 one could be heard.
Low power consumption, better and long battery life Cycle long standby time is available after the fully charged of charge box earphone can get charged from the charging case for many times so it can be give Stand by time 150 hr Approx
we can use headphones answer/reject calling, skip/play/pause songs, and activate voice assistant, such as Siri/bixby.

Specification
Wireless Technology : Bluetooth
Number of Earbuds : 2 x EarBuds 
Battery Capacity of Earbuds : 50mAh
Battery Capacity of Charging Box : 3800mAh
Bluetooth Version: 5.0
Noise Reduction level : CVC8.0
Working Distance : 10 meters
Auto On: Support
Automatic Pairing: it can Support
Talk Time: About 150 hours (used with the charging box)
Music Time: About 120 hours (used with the charging box)
Charging Times for Earbuds: BY charging box About 25 times
Input Current of Charging Box: 5V 1A
Button Light : Blue & red
Headphone Material: PC
Function: Play/pause (single click), answer/hang up (single click), wake up siri/bixby (short press), volume adjustment (three-time press), switch songs (double click), on/off (long press for 5S )

Package
2 x Earbuds
1 x Charging Box
1 x Charging Cable
1 x User Manual

We accept Change of Mind returns for 14 days after you have received the item in cases where you have changed your mind or made an incorrect purchase and wish to return the product. This also applies to orders cancelled when the item has already been dispatched from our warehouse. The item must be in a re-saleable condition to qualify for a change of mind refund. Deductions may apply including Initial and Return Shipping, as well as restocking fee of 20% of the product price

All orders are processed within 1 to 2 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive a notification with tracking information once your order has been shipped.