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ProtoArc EM11 NL is an affordable, wireless ergonomic vertical mouse designed specifically to reduce wrist strain and fatigue for users with small to medium-sized hands. Often cited as a budget-friendly alternative to the Logitech Lift, it features a "handshake" position that keeps the wrist straight and comfortable during long hours of office work.
ProtoArc +4
Key Features and Specifications
Ergonomic Design: Vertical "handshake" orientation with an extended, built-in wrist rest to reduce forearm twisting and pressure.
Multi-Device Connectivity: Supports up to 3 devices simultaneously via one 2.4G USB-A receiver and two Bluetooth 5.0 channels.
Battery: Built-in 500mAh rechargeable lithium-ion battery, charged via USB-C, with up to 100 hours of continuous use (or roughly 25-30 days based on average daily use).