Bluetooth UART RS232 serial converter module for easy transfer of UART data. | Support Bluetooth connection through AT command, set baud rate, password, save parameters after setting parameters. | Enhanced data rate (EDR) conforms to the 2Mbps and 3Mbps modulation modes of the V2.0.E.2 specification. | Full speed Bluetooth operation, support for full Piconet and Scatternet. | On-board 3.3V regulator chip, ROHS compliant, compact size.

SLIM ALUMINUM AlLLOY DESIGN: Bluetooth number pad is constructed of solid and premium aluminum materials for long-lasting use, the ergonomic tilt for comfortable typing and good look, slim style appearance. | 34 KEYS WITH SHORTCUT KEY:Increase your data entry speed and accuracy with this 34 keys numeric keypad. | BLUETOOTH 3.0 CONNECTION: Bluetooth 3.0 technology provides a cable-free & clutter-free connection, the external 34-keys full keypad extends your existing keyboard, operating distance 10m. | RECHARGEABLE AND SAFE LITHIUM POLYMER BATTER:Built-in Polymer Soft Pack Lithium Battery 302323-110mAh, the standby time of the keypad is up to 45 hours when fully charged. | WIDELY COMPATIBLE: The Bluetooth wireless numeric keypad includes commonly used shortcuts, for Apple computers, laptops Support Windows, iOS, Android system.