The 3.7v 1600mAh Lithium polymer battery complies with Razer Kraken V3 Pro Wireless Gaming Headset, fits Kraken v3 pro battery replacement, Rz04-0346 battery replacement. Kraken V3 Pro battery for Razer BlackShark V2 Pro 2023 Edition Gaming Headset, RZ04-04530 battery replacement, BlackShark V2 Pro 2023 edition battery replacement. 3.7v recharbeable battery firs Razer Barracuda X Wireless Gaming Headset, fits Barracuda X RZ04-03800100-R3U1 battery replacement, RZ04-0380 battery replacement, barracuda x battery replacement. 1600mAh battery for Razer Kraken BT Kitty Edition headset, fits Razer kraken kitty battery replacement, RZ04-03520100-R3U1 battery pack. RZ04-0352 for Razer Barracuda Pro battery replacement . Safety Features: The 3.7v reachargable Lipo battery is built with high-quality materials and features built-in protection against overcharging, overheating, and short circuits, this ensures the battery operates optimally and eliminate the risk of any potential hazards. Packing list: 1600mAh battery x 1. Specification: Material: Lithium polymer battery Capacity: 1600 mAh. Nominal Voltage:3.7V Power:5.92Wh Limited Charge Voltage:4.2V Battery compatibility with Razer Headset Models for - - Razer Kraken V3 Pro Wireless Gaming Headset. - Razer Kraken V3 Pro HyperSense Wireless Gaming Headset. - Razer Barracuda Wireless Gaming. - Razer Barracuda X Wireless Gaming. - BlackShark V2 Pro (2023)Wireless Gaming Headset 2023 Edition. - Razer Nari Ultimate Wireless 7.1 Surround Sound Gaming Headset. - Razer Barracuda Pro Gaming Headset. - Razer Kraken Kitty V2 BT Wireless RGB Headset. - Razer Kraken BT Kitty Edition.