Features:
Dual-mode Connection
When in BT mode, the mouse is good for up to 450 hours. For gaming, its HyperSpeed wireless technology lets you to tap on its ultra-fast performance for up to 285 hours.
Razer HyperSpeed Wireless Technology
25% faster than any other wireless technology available, you won't even realize that you're gaming with a wireless mouse due to its high-speed transmission, lowest click latency and seamless frequency switching in data-saturated environments.
5G Optical Sensor
Engineered with 99.4% tracking accuracy and up to 16000 DPI sensitivity, the sensor in this wireless mouse offers the precision and speed you need to stay at the top of the leaderboard.
Razer Mechanical Mouse Switches
Designed to deliver fast and precise mouse clicks, these switches boast a durability of up to 50 million clicks-ideal for extensive gaming.
6 Programmable Buttons
Fully configurable via Razer Synapse 3, the 6 programmable buttons let you access macros and secondary functions so you can execute extended moves with ease.
Onboard DPI Storage
Pre-set up to 5 custom DPI stages on Razer Synapse 3 and bring your settings anywhere, so you're always ready to compete no matter the area.

Specification:
Brand: Razer
Model: Basilisk X HyperSpeed
Color: Black
Connectivity: Razer HyperSpeed wireless technology, BT
Sensor: FOCUS+(PAW3369) optical engine, 16000DPI(max)
IPS: 450 inch/s
Acceleration: 40G
Programmable buttons: 6
Switch lifecycle: 50 million clicks
Battery: 1*AA battery
Item size: 13 * 6 * 4.2cm /5.12 * 2.36 * 1.65in
Item weight: Approx. 83g /2.93oz

Packing list:
1 * Mouse
1* AA Battery

Razer Basilisk X HyperSpeed Wireless Mouse Dual-mode Gaming Mouse 16000DPI with 6 Programmable Buttons (without Battery)