PRO Bluethooth:
- FINALLY remains no more ugly plugs, the bulging side of a laptop like ugly and often hang somewhere when packing
- No unnecessary clogged USB port more
- Compatibility with virtually all Android Smartphones / Tablets
CONTRAINDICATIONS Bluetooth
- From an ungodly reason Windows wants despite active Bluetooth connection off which can cause disconnections. Solution: In the Device Manager select the Bluetooth device and turn off power management.
For the Logitech M557:
Price-performance are absolutely fine. Unfortunately, the processing does not feel dibasic. The biggest drawback is the very long mouse buttons with poor tactile feedback. This one clicks (especially right-click) is often unintentional.