Bluetooth Numeric Keypad for PC, Asynchronized

WKP-803, a stylish & low profile Bluetooth numeric keypad is specially designed for PC Notebook, Bluetooth enabled. It supports non-synchronous function which can let keypad independently used from the notebook keyboard, leaving the notebook keyboard free for text typing. Furthermore, it also equips Tab, backward delete and forward delete keys which are very user's friendly for using excel application software. SPECIFICATION * Key Number : 21 keys including Tab, Back & Forward delete keys * Tx Technology : Bluetooth wireless technology, V3.0 * Antenna/ Antenna Gain : PCB antenna /0 dBi * Frequency/ Channels : 2.402Ghz ~ 2.480Ghz/ 79 channels * Modulation : GFSK (Differential phase shift keying) * Output Power : Normal mode (GFSK): -0.61 dBm * Data Rate / Sensitivity : Up to 2.1Mbps / <0.1% BER at -70dBm * Operating Range : Up to 8 M (Free space) * Key Switch : Scissor-type Membrane with 5 million life cycle time * Key Force/ Traveling Distance : 55 +/- 7 gm; 2.1 +/- 0.2 mm * LED Indicator : Indicate pairing (blinking), NumLock and Low battery (blinking slowly) * Buttons : 1 x power slide switch, 1 x pairing button * Power Source : 1.50 VDC, 1 x AA Alkaline batteries * Operating Temperature : 0 to 50 degrees Celsius (10% to 95% RH, 25 degree Celsius) * Storage Temperature : -10 to 65 degrees Celsius (5% to 90% RH, 25 degree Celsius) * Dimension (mm)/ Weight : 133.5 (L) x 84.0 (W) x 21.16 (H)/ 0.15kgs (N.W.) * Compatibility : Compatible with Windows XP, 7 or latest version (Not compatible with Mac OS) * Accessories : 1 x AA batteries, 1 x User's manual