This Lightspeed replacement cartridge for the Delta Zulu headset contains one lithium ion battery. Lithium ion batteries may provide improved battery life in colder temperatures. The easy way to replace battery pack gives you the option of using AA batteries or the included rechargeable lithium ion battery pack.

Weight: 2.9 oz (approx. 82 g)
Dimensions: 5.5" x 1.1" x 1.5" (approx. 14 x 2.8 x 3.8 cm)