With Logitech's vertical Lift Mouse, you can enjoy all-day comfort at home or in the office. Its compact size makes the Lift Mouse ideal for small and medium-sized hands. Other features: - Choice of two connection types: - Bluetooth Low Energy - Logi Bolt USB receiver (included) - Battery run-time of up to 24 months - Logitech Advanced Optical Tracking - Wireless range of up to 10 metres (depending on operating environment)