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:...

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 -...

7" and 10" Battery (Q-BATTERY)

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