Gembird BTHS-002 - Manual (Page 9)

Bluetooth headset
Ergonomically designed, the ear hook can be placed on both sides of the headset so
that the product can be used on both the left and the right ear.
Technical specifications
Bluetooth Version Compliant with Bluetooth version V1.1
Effective range 10 meters
Frequency 2.4GHZ-2.4835GHZ ISM Band
Connection Point to point
Talk time 3.0 hours
Standby time 100 hours
TX 0dBm (Class II)
Encryption 128 bit encryption
Power consumption Talking mode 20mA, standby mode 500uA