• Bluetooth Compliance : Bluetooth Specifications version 2.0
• Chipsets                 : BROADCOM, BCM2044
• Supported Profiles   : Headset and Handsfree
• Frequency Band       : 2.4GHz ISM Spectrum; frequency hopping 79 channels
• Modulation             : GFSK (Gaussian Frequency Shift Keying); 1 Mbps
• RF Power               : Class 2, 0-4dBm
• Receivers Sensitivity : -83dBm at 0.1% BER
• Operating Range     : Up to 10m (Line-Of-Sight)
• Talk Time                  : Up to 5hrs
• Standby Time          : Up to 120hrs
• Security                   : Security mode 3 (pairing, encryption, authentication)
• Power Source          : Rechargeable Lithium Ion-Polymer 90mAh; replaceable
• Charging                 : Universal Adaptor 5V/180mA; charging time up to 2hrs
• Compatibility           : Mobile phones support Bluetooth v1.1(and above); Headset and/Handsfree profiles
• Device Name           : B40
• Pairing Code           : 0000
• Weight                    : 7.6g