This is a smart business bluetooth headset with high-capacity battery, noise reduction mic, It can work for mobile phones, laptops, computers and other bluetooth HD audio to enjoy the wireless radios and music.
Features
Bluetooth Version 4.2
Operating Range: up to 33 feet( 10 meters)
150 mAh rechargeable battery
Talk time: 12 hours
Music play time: 11.5 hours
Standby time: 320 hours
Charging time: 2.5 hours
Compatible with: ISO, Android, Windows Devices and so on.
Functions
Auto-reconnect
Sweat-proof &splash-proof
Noise canceling microphone
Calling number voise prompt
Long pushing the calling button to activate (Siri) Voice assistant
One key to answer, Reject, End and Redial the last number
Smart 1 to 2 connection: Pair with the first device, then turn off bluetooth of the first device and pair with the second device, and then reactivate the bluetooth connection of the first device.
Package Included
1 * bluetooth headset
3 * Earbuds tips (S, M, L)
1 * Carrier case
1 * User Manual 
1 * MIC 5 PIN charging cable
Tips for using
Keep charging voltage under 5V;
If headset can\'t connect with cellphone, please delate the bluetooth connection record in the list of cellphones, and try to re-connect.
Don\'t expose the unit to humid or condensation environment.