Headphones bluetooth version:ISSC2020 V4.1+EDR
Wireless headphones bluetooth working distance:At least 10 Meters
Battery:Built-in rechargeable Lithium battery 420mAh
Standby Time:At least 420 Hours
Talk Time:15 hours around
Music Time:14 hours around
Charging Time:2 Hours
Charging Plug:A/C charger
Charger Voltage 3.7-4.2V
Transmission power:Class 2
Line in function
Battery indicated on iPhone
Receive calls,end calls,redial the last number
Stretch and foldable
1 Application: This bluetooth headphones can be applied to PC,Mac,Laptop,mobile phones.
2 Connection: 1)You can connect mobiles by bluetooth 2)This headphones also comes with a 3.5mm AUX wire if you don't want to turn on the Bluetooth.
3 Language choice:Press both of the volume keys to change languages
4 How to connect bluetooth: 1)Long-press multifunctional key until red and blue light alternately flashes;2)search bluetooth device on phone,you will find bluetooth name"veva S220";3)Get the bluetooth paired to realize phone callings and music player.
5 Way to connect two phones synchronously:1)Turn off the bluetooth of the first phone;2)Turn on the bluetooth of the second phone and search bluetooth;3)Turn on the bluetooth of the first phone after the second bluetooth connected.
1* Bluetooth headphones
1* 3.5mm AUX Cable
1* Charging cable
1* User Manual