Lenovo Bluetooth 4.0 Dual Mode Wireless Bluetooth Mouse for Xiaoxin Air (Grey) Type-Earphone & Accessories Product function: Five/four computer fans

Product function: Five/four computer fans share one 4Pin interface

General Compatible with Canon:  EOS R7

and can provide fast and stable energy inflow

Please note that this housing is not waterproof if you install with the hollow back cover

Lenovo Bluetooth 4.0 Dual Mode Wireless Bluetooth Mouse for Xiaoxin Air (Grey) Type-Earphone & Accessories Product function: Five/four computer fans1. Ergonomic design, long term use will not feel tired 2. Support dual mode connection mode, you can use wireless and Bluetooth to link a computer 3. Metal surface, seamless cutting 4. Using blue light technology, it can be easily used on various surfaces 5. Four speed DPI is adjustable, precise positioning 6. Battery specifications: AA * 1 7. Dimensions: 110x62x22mm Specification: Package Weight One Package Weight 0. 30kgs 0. 66lb One Package Size