Tecknet 4000 DPI Bluetooth Wireless 2-in-1 Ergonomic Silent Mouse (Bright Black)

【Multi-Mode Connectivity】Stop unplugging and re-pairing. This wireless mouse keeps two devices connected at once (BT5.0/3.0/2.4GHz) — just press a button on the computer mouse to switch between your laptop/tablet/MacBook/PC. As a Bluetooth mouse, it also offers a 2.4GHz USB receiver that stores inside. No Wi-Fi needed.
【2 in 1 Connection Options】No need to choose between Bluetooth and USB. This pc mouse connects via Bluetooth (Windows/macOS/Android) or 2.4GHz receiver — just store the adapter inside the mouse. No Wi-Fi required.
【Dual-Device Control】No more plugging and re-pairing. This wireless mouse controls two devices at once — one via USB-A, one via Bluetooth. Switch between laptop and tablet instantly. For MacBooks (no USB-A port), just use Bluetooth mode.
【Customizable DPI】No more sluggish cursor. 6 adjustable levels (800/1200/1600/2400/3200/4000). Tru-Wave tracking works on most surfaces. Plug-and-play with Nano receiver storage (stored in the back of the wireless mouse for laptop)
【Ergonomic Build】Comfort for long hours. This Ergonomic mouse features a contoured ergonomic design, 10 million clicks durability, and compact size for travel. Note: not ideal for large hands.
【Smart Features】Save battery and browse faster. This wireless mouse auto-sleeps for 18 months of battery life (2 AA required). Back/Forward buttons let you quickly move between documents or websites — works on Windows/Android, not on Mac.
【2.4G Mode】Insert batteries → Toggle switch to 2.4G (green LED) → Plug receiver into USB-A → Press any button to connect
【Bluetooth Mode】Insert batteries → Toggle to BT mode (blue LED) → Hold pairing button 3s → Enable device Bluetooth → Search BM20X-5.0 → Connect
【Warranty & Note】36-month warranty (register). No USB-C, not rechargeable. Green LED=2.4G, blue=BT. iPad shows round cursor; Mac disables side buttons.