The CS351 offers maximum mobility, outstanding audio quality and comfort for office-based professionals. The unit features an over-the-head design for all day comfort. The PL-64399-03 is a Plantronics spare battery for the CS531.
- Ten hours talk time without recharge
- Recharge time: 3 hours for 100% charge
- Headset weight: 78 g monaural
- Also compatible with the CS361