Rechargeable battery - Lasts longer on a single charge than its disposable counterpartsSolution for a battery that is about to expire, so you can replace it whenever neededApplication/Usage:...

Can be used multiple times, hence saving your moneyNever run out of power and keep your wireless headset operationalApplication/Usage: Wireless HeadsetBattery Rechargeable: YesBattery Size

Application/Usage: HeadsetBattery Rechargeable: YesBattery Size: Proprietary Battery SizeCompatibility: Poly Headsets: CS510 CS520 710

Takes lesser time to charge, compared to othersSave your precious time by recharging the battery instead of running to the store each time you run out of batteriesProprietary Battery Size battery -...