Compatible with all smartphones like iOS and Android
Headphones 60mAh charging compartment battery 400mAh, Talk time > 2-3 hours

Main features:
Built-in microphone, support in making mobile phones Calls
With A2DP/AVRCP high-quality stereo audio transmission and remote control protocol 
Powerful denoising circuit, active noise reduction, enjoy clear music 
Can be used separately, save power or share music with a friend 
Built-in noise reduction circuit, active noise reduction, enjoy clear music 
Can be used separately, save power or share music with a friend 
Built-in Power indicator, red light off indicates that the headhen is fully charged 
Small and elegant appearance 

Technical data:
Bluetooth version: Bluetooth V4.2 + EDR
Bluetooth distance: 10 meters
Frequency: 20 - 20000 Hz
Operating voltage range: 3.7 V - 4.2 V
Sensitivity: - 42 dB
Battery capacity: 60mAh
Charging time: about 1 hour
Working time: one for 3 hours, a pair for 2 hours
Standby time: one for 80 hours, a pair for 60 hours
Supply:2 x Headphones1 x Charging cable1 x Silicone case1 x Operating instructions English