• Bluetooth Compliance: Bluetooth Version 2.1+EDR Specifications, Class II
• Supported Bluetooth Profiles: Bluetooth Headset & Hands-free Profiles
• Multipoint Profile: Connect with two Bluetooth devices at the same time
• Operating Range: Up to 30 feet (10 meters)
• Frequency: 2.40~2.48GHz
• Talk Time: Up to 4~6 hours*
• Standby Time: Up to 60~90 hours*    
• Battery Type: Rechargeable Lithium Polymer battery
• Dimensions (L X W X T): 57 x 17 x 6 (mm)
• Weight: 6.5 g (excluding accessories)

        *Depending on the phone type and usage, the actual time may vary.