TENBT03BK Bluetooth Wireless Numeric Keypad with Cross Keypad, 36 Keys for Japanese OS

・Key display/number of keys: 36 keys for Japanese OS (including FN key) ・Key switch method: Isolation pantograph method ・Key pitch: Approximately 19mm ・Key durability: Approximately 8 million times (number of times for each key) ・Wireless frequency band: 2.4GHz ・Bluetooth standard: Bluetooth 5.3 (HOGP) ・Usage distance: Approximately 10m in line of sight, approximately 1-3m when used on a steel desk etc. *Usage distance varies greatly depending on nearby objects. It may decrease significantly when near a steel desk or furniture. ・Operating time: Approximately 145 hours (when using continuous input) *Usage time is during continuous use. It varies greatly depending on communication distance, keys used, etc. ・Charging time: Approximately 2 hours ・Compatible OS: Windows 11, 10 / macOS 10.10 or later (Japanese version only) ・Dimensions: Approximately 147mm wide x 119mm deep x 15mm thick　・Weight: Approximately 132g ・Multi-pairing: Up to 3 devices can be registered