Bluetooth version: V4.0
DSP noise reduction
Support profile: HFP， HSP， A2DP， AVRCP
Supports iPhone battery indicator
Bluetooth normal distance range: 10m
Frequency: 2.40 - 2.48GHz
Talking / music time: 6 - 6.5 hours
Standby time: About 250 hours
Wireless range: 10m
Support voice prompt
Support App
Support multi-point with 2 device: Yes
Adjustable ear-hook， comfortable to wear
Bluetooth hands free， enhance driving safety
One-button control， easy to reach and hang up phone calls
Volume control function for in-coming calls
Works with all smartphones with Bluetooth function: iPhone 6 / 6 Plus / 5 / 5S / 4 / 4S， Samsung Galaxy S4 S3， Note2， Note3， Note4， LG， HTC， Sony， NOKIA， Motolora， Blackberry etc.