Key Features Model: Razer DeathAdder V2 X HyperSpeed Product Type: Wireless gaming mouse with ergonomic design Design: Award‑winning right‑handed ergonomic shape Wireless Technology: Razer™ HyperSpeed Wireless (2.4 GHz) Bluetooth® connectivity Battery Life: Up to 235 hours (2.4 GHz) Up to 615 hours (Bluetooth LE) AA/AAA hybrid battery slot (uses one battery at a time)