Regular Priced $59.99 on Amazon.
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*Same mouse selling for $2 less refurbished from Logitech
Trackball comfort: Sculpted shape supports your hand and stays in one place—move the cursor without moving your arm
Work and play anywhere: Get smooth, precise cursor control wherever you use your trackball—your desk, couch, even your bed
Logitech Unifying receiver: Connect up to six Unifying compatible devices with one tiny wireless receiver that stays in your laptop
Long battery life: Go for up to 18 months without changing the included AA battery* (*Battery life may vary based on user and computing conditions)
For Windows or Mac OS: Robust 2.4 GHz wireless connection lets you control your laptop, desktop computer or home theater PC wirelessly from up to 30 ft. away** (** Actual wireless range will vary with use, settings and environmental conditions) Please refer the User Manual before use.