Bluetooth wireless headsetB40 is a regular headset with high quality. Bluetooth is a standard and communications protocol primarily designed for low power consumption, with a short range (power-class-dependent: 1 meter, 10 meters, 100 meters) based on low-cost in each device. Bluetooth makes it possible for these devices to communicate with each other when they are in range. Because the devices use a radio (broadcast) communications system, they do not have to be in line of sight of each other. Bluetooth makes it possible for these devices to communicate with each other when they are in range.Bluetooth could make your communication healthier, easier, and mobile. • 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