1.Product Name: i9s Bluetooth Headset
2.the length of use: 1-3 hours ( We upgraded the battery, when you turn the volume down 50%, use the longer )
3.Bluetooth version: 4.2
4.Bluetooth Distance:10 meters
5.Product weight: single ear 3g, charging compartment 15g, the whole set of 100g
6.Charging time: 1 hours
8.Standby time:About 100 hours
9.Headphone battery: 50 mAh
10.Charger box Battery Capacity: 450 mAh
11.Charger Box Size:4.5*5.5*2.1 cm
12.Earphone Size:4.2*1.6 cm
Kindly reminder :
1.When you receive the headset, you must charge ( charging bin: 2 hours charging; headset charging: 1 hour ), otherwise you will not be able to use normally.
2.If you have any questions, please contact us and the engineer will help you solve the problem.