Bluetooth version: V4.0 + EDR compatible with V3.0, V2.1, V1.1
Chipset: CSR4.0
Transmission power: Class2
Transmission frequency: 2.4GHz
Transmission distance: 10 meters
Talk time: 4-6 hours
Standby time: 120 hours
Support for file formats: A2DP music player, headphones and hands-free mode
Features:
Wear comfortable
Bluetooth version 4.0, compatible with all phones
A2DP, support for music playback
Multipoint Connection, simultaneously connect two phones
Siri Control, intelligent voice control
Voice prompts