Bluetooth V4.1: Compatible with V4.0, V3.0, V2., 1 and V2.0 standards
Chipset: CSR 8635 stereo chip
Support Bluetooth function: A2DP, AVRCP, Headset Profile, Hands free Profile
Transmission power: Class 2
Frequency: 2.4Ghz – 2.4835GHz, ISM Band
Transmission distance: 10M
Microphone sensitivity [-45dB (0dB=1V/Pa, 1KHz)]
Product weight: 65g
Talk time: Up to 12 hours
Standby time: 250 hours
Charging time: less than 8 hours
Charging current: 80mA
Charging voltage: 5V
Working voltage: 3.3-4.2V
Charger power supply: 110-240V
Operation Temperature: 10 ~ 55°
Rechargeable Li-Polymer battery
Operating systems compatibility: Windows/MAC/Linux
Software compatibility: Skype, Zoom, Microsoft Teams and other video conferencing software
