Bluetooth 5.0, stable connectivity

• ETwo modes. Single mode, ideal for driving when you want to stay aware of outside environment
• Internal 500mAh rechargeable battery for charging case
• Working Time: About 5-7 hours(single) About 4-5 hours(paired)
• Turn on your device Bluetooth function, search and to be connected
• They will automatically connect to your Bluetooth device when you use again
• This wireless earbuds also can be single connection