Two earbuds will automatically match with each other, when you pick them out the charging box, and then open the Bluetooth of device to connect the headphones. Simple and fast connection will be more convenient.
The single earbud weighs 4.5 g (0.16 oz), and the ergonomic semi-in-ear design makes you to wear it lightly, comfortably and steady, without falling, you can do sports freely.
Each headset can work 4 hours continuously for music or talking which has a built-in 40 mAh battery, and it comes with a 500 mAh charging box that provides 4 times charges, only takes 1.5 hours to be fully charged. And the charging box takes 2hours to be fully charged.
T7R earbuds delivers dual calling technology, that provides high-definition calls. It is safer to wear only one headset when you're driving.
The earbuds adopts the latest Bluetooth V5.0 chip, which is faster and more stable than the Bluetooth version 4.2 , allowing you to enjoy music faster. Compatible with Android/iphone /ipad/PC and more devices