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Feature
One button pop-up calculator interface
Ultrathin wireless numeric keypad provides up to 32 feet working range
Hibernation mode enabled automatically, no power button needed
Plug-and-Play, NO driver is required
Portable 23 keys compact size lets you convenient to carry or store
Description
Be Note:1. Calculator Launch Button Not Work with Mac & OS X system.2. Press "Num Lock" key to swtiching between Numbers and Directional Arrows.Features:Size: 138*80*18mmEffective Range: 10M (MAX)Operating frequency: 2.4 GHzPowered by One AAA Battery (not included) System requirements: MAC OS X, Windows XP, Vista, 7, 8,10 2000 with USB Port Package Contents:1 * Wireless Numberic Keypad1 * Nano Receiver