1. Connection mode: A9: wireless 2.4GBluetooth 5.0 dual mode; V2: wiredwireless 2.4GBluetooth 5.0 tri-mode 2. DPI: A9: 8001200160020002400; V2: 800-12800 drive adjustable 3. IPS: A9: 30; V2: 120 4. Acceleration: A9: 10G; V2: 25G 5. Return rate: A9: 125Hz; V2: 1000Hz 6. Light effect: A9: multi-color breathing (non-adjustable); V2: a variety of modes (adjustable in the driver) 7. Switch: A9: mute; V2: standard sound 8. Battery capacity: 500mAh 9. Charging port: Type-C 10. Charging input: 5V 250mA 11. Size: about 12.3 x 7.8 x 3.9cm 12. Weight: about 106g Features: 1. The light guide pillar on the surface combines bionic self-breathing streaming light and seven-color RGB spectrum technology 2. The hump design provides extra support, and the 39mm height fits better in the palm for a fuller and more comfortable grip 3. Step power display, check the power level at any time 4. Anti-slip grills on both sides to improve grip stability, wider thumb rest design to reduce finger burden and increase grip comfort 5. 5 adjustable DPIs to meet your needs in one click 6. In the driver, you can easily adjust the DPI, return rate, lighting, customized keys and other configurations according to your habits 7. Side auxiliary buttons, more convenient operation 8. Safety upgrade, over-currentover-voltageover-chargingshort-circuitpower multi-protection mechanism, all-round protection of safety and reliability in the process of use 9. High sliding speed, high wear-resistant upgraded foot pads