Operating distance: Up to 10m (free space)
Bluetooth profiles: A2DP, AVRCP, HFP
Bluetooth version: V4.1
Bluetooth distance: <15 meters
Frequency range: 2.4GHz-2.48GHz
Standby time: 100hrs
Feature: Multi point Connections + Voice Prompt
Battery: Built in Lithium Polymer Rechargeable battery
Talk/music playtime: Approximately 2-4 hours
Charging time: Approximately 2.5 hours
Operational temperature: -10 to 50°C
Weight: 40g