Listen to your favorite music or talk without limits for up to 3 hours, and thanks to the charge indicator on the case, you will always know how much battery you have left. The headphones are compatible with iOS and Android devices, as well as Siri and Google Assistant. The package includes: earphones, carrying and charging case, USB Lightning cable for charging and instructions.
Speaker diameter : 13mm
CONNECTION: Bluetooth 5.1
BATTERY: 250mAh
CHARGING TIME : 1.5h
RANGE : 15m
https://youtu.be/n2mrBPCvpRI