Talk Time: 10 hoursStand-By Time: 200 hoursWeight: Only 17 grams. This lightweight headset can be worn for longer times without even feeling it on your ear.Works on both ears.It features Bluetooth 2.0

Weight: 20g Talktime: Up to 5hours Standby time: Up to 100 hours Operating range: Up to 30 feet Connection: Point-to-point ,Compatibility:SonyEricsson:P908/P900/P802/P800/T618/T610/Z608/Z600;Nokia 760

Weight: 25g Talktime: Up to 55hours Standby time: Up to20days Operating range: Up to 30 feet Connection: Point-to-point ,Bluetooth compliance: Bluetooth 1.2 specification,Supported Bluetooth profiles:

InformationWeight:0.9 ounces Talk time: Up to 5 hours Standby time: Up to 120 hours Power source: Rechargeable 170 mAh NiMH battery Optional Nokia Chargers: ACP-7U, ACP-8U, ACP-12U, LCH-12 Charging ti

Information*Wireless communications of up to 10 meters *One touch answering *Volume controls *Voice dialing *Compact& Lightweight *Long operating use *weighs only 17 grams *Rechargeable Li-Polymer bat

*Easy-to-use and convenient wireless handsfree control for mobile phones *No charging necessary; headset runs on one AAA battery *Automatic power down to save energy between calls *Behind-the-ear fit

InformationWeight: 0.74 ounces Talktime: Up to 6 hours Standby time: Up to 160 hours Power Source: Rechargeable 120 mAh lithium-polymer batteryOptional Nokia Chargers: AC-1U, ACP-7U, ACP-8U, ACP-12U,

InformationWeight: 0.7 ounce Dimensions: 2.56 x 0.98 x 0.87 inchesInterfaces: Bluetooth 1.2 specification with Handsfree 1.1 and Headset 1.0 profiles Talk time: Up to 6 hours Standby time: Up to 4.5 d

Weight: 0.7 ounce Dimensions: 2.56 x 0.98 x 0.87 inchesInterfaces: Bluetooth 1.2 specification with Handsfree 1.1 and Headset 1.0 profiles Talk time: Up to 6 hours Standby time: Up to 4.5 daysOperatin