UltraLast - Lithium-Polymer Battery for Sennheiser Electronic IS410

Lithium chemistry; 3V of power; 240 mAh capacity; miniature design

Stay connected with this UltraLast headset replacement battery. The thoughtful design works with a range of Sennheiser headset models for a precise fit and dependable operation, while the simple configuration takes the guesswork out of installation. With a rechargeable format, this UltraLast headset replacement battery helps extend the life of your device.