2 MODE WIRELESS CONNECTION: Bluetooth 5.0 plus a 2.4G USB receiver. A single switch lets you move between two devices freely, with one device connected via Bluetooth and the other via the 2.4G USB receiver. RGB BACKLIT GAMING MOUSE: 11 lighting effects that can be adjusted with the bottom button. The lighting switch lets you change modes or turn off the lights for focus or energy savings. ERGONOMIC DESIGN: Coated finish provides a skin-like feel. Ergonomic shape supports comfortable use for long work and study sessions. Compact, portable size makes it easy to carry and use anywhere. RECHARGEABLE AND CONVENIENT: Built-in 400 mAh Li-ion battery delivers strong battery life for extended use without frequent charging. Recharge via the included charging cable; no AAA battery needed. USE SCENARIOS: - At your desk with a laptop and a desktop PC, easily switch between devices without re-pairing. - In dim environments or during gaming, customize RGB lighting to fit mood and reduce eye strain. - While traveling or working remotely, rely on long battery life and rechargeable power for uninterrupted use.