BluedioI4 Technical Specification:

Bluetooth Version: 3.0
Operating Distance: 10m
Headset weight: about 9.6g
VOIP: Support
Multipoint Technology: Yes
Music Streaming: Yes
Multi-function Button On/Off: Yes
Standard Bluetooth Features: Yes
Standby Time: 100 hrs
Supported Profiles: A2DP AVRCP HSP
Talk Time: 3 hrs
Accessories
In-ear Headset Core 1pc
USB Cable 1pc
User manual 1pc