Razer DeathAdder V4 Pro Wireless Gaming Mouse: 57g Lightweight - HyperSpeed Wireless Gen-2 - Scroll Wheel, Focus Pro 45K Sensor, Switches Gen-4 (All Optical) - Up to 150 Hr Battery - White REFURBISHED Upto 40 Hours Battery Life

Upto 40 Hours Battery Life | Fast-charging support of 10 min charging for 7 hours playback

Beyerdynamic has been developing innovative audio products with best-in-class sound quality and technology

Comfortable All-day Wearing: Ultra-thin at 8

equivalent to 5 hours of daily music playback for a full week without the need to recharge

Razer DeathAdder V4 Pro Wireless Gaming Mouse: 57g Lightweight - HyperSpeed Wireless Gen-2 - Scroll Wheel, Focus Pro 45K Sensor, Switches Gen-4 (All Optical) - Up to 150 Hr Battery - White REFURBISHED Upto 40 Hours Battery LifeFeatures 56 g 57g Ultra Lightweight Design Re engineered with weight optimizations and a smooth touch finish, our latest DeathAdder delivers faster, tighter movement while retaining its award winning ergonomic shape. Razer HyperSpeed Wireless Gen 2 Feel the difference with an ultra stable wireless system thats over 63% more efficient*, and capable of true 8000 Hz polling rate with 37% lower latency than previous gen. * Under standard test conditions