Wireless Earbuds, Upgraded Mpow M30 Plus Bluetooth 5.0 Earbuds 100 Hrs Deep Bass with USB-C Charging Sport Earbuds, IPX8 Waterproof Workout Headphone with Mic/Touch Control/Mono&Twin Mode/Power Bank

Q1.What is the use of the origin button of the battery box?

1.You can reset the Bluetooth connection and clear the original Bluetooth connection record of the mobile phone.
2.A switch to charge the mobile phone when it is used as a backup power source for the mobile phone.
3.Check the power of the battery box.

Q2.What's the difference between M30 & M30 plus?

M30 provides authentic sound in small size with 25 hrs battery life, which is suitable for using during sports.While M30 plus equipped with 100 hrs playtime, about 5 days, which suitable for a little long travel.

Q3.I have bought M30 and M30 Plus at the same time, can I put earbuds of M30 in the charging case of M30 plus to charge? Or put earbuds of M30 plus to the charging case of M30 to charge?

NO, although earbuds of M30 and M30 plus are the same in appearance, but the battery case can't charge the different model earbuds. Please use the original case to charge the earbuds, not mix.

Q4.What do the LED lights show when charging ?

The LED lights have two display modes.
1. Display remaining battery
1 light on: 0%-25%
2 lights on: 25%-50%
3 lights on: 50%-75%
4 lights on: 75%-100%

2. Display charging status
When only the left and right lights on, showing the two earbuds are charging.