Specifications (Rev. 8)

USB Model

	Specification
Dimensions	13.2 in. x 7 in. x 2.6 in. (336 mm × 177.5 mm × 57.4 mm)
Weight	26.7 ounces (757 grams)
Interface	USB Full-Speed (Type-C connector)
Key Configuration	76 keys (supports hot-swapping) Includes two FN keys. The hot-swap sockets are compatible with 5-pin Cherry MX switches.
Key Spacing	18.8 mm (Size L) 17.5 mm (Size M)
Key Layouts	English (United States) QWERTY Dvorak Colemak Japanese New Stickney Stickney Next NICOLA (Thumb Shift) TRON (Kana only) JIS X6004 M-type
Operating Systems	Microsoft Windows macOS Linux (e.g., Ubuntu)

Note: Unless stated otherwise, all other specifications are identical to those of the USB model.

Item	Specification
Dimensions	336 mm × 183.5 mm × 57.4 mm (Includes Bluetooth antenna housing at rear.)
Weight	Approx. 750 g (Excludes battery weight.)
Interface	Supports both Bluetooth and USB connections. Bluetooth 4.2 USB Full-Speed (Type-C connector)
Supported Operating Systems	Compatible with operating systems that support Bluetooth 4.0 or newer: Microsoft Windows macOS Android iOS Linux (e.g., Ubuntu)
Power Supply	Two AA batteries (sold separately; standard NiMH rechargeable batteries recommended). Power button (round push-type) located on the back. Battery compartment located on the underside of the keyboard. While using Bluetooth, NISSE can also be powered via the USB port. USB power takes priority—if USB power is available, the keyboard operates even without batteries. No battery charging function is included.
Estimated Battery Life	Approx. 2 weeks. Based on continuous 24-hour operation using fully charged standard NiMH rechargeable batteries. Actual battery life may vary depending on usage conditions, battery type, and battery health.
Other	The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and Esrille Inc. uses these marks under license. Bluetooth module: This product contains Transmitter Module FCC ID: RYYEYSGCN, IC: 4389B-EYSGCN, TELEC: EYSGCN: 001-A06158

The USB model does not support Bluetooth wireless technology. To use NISSE wirelessly, please select the Bluetooth option from the purchase options.
Wireless use requires a device that supports Bluetooth 4.0 or newer. Devices limited to Bluetooth 3.0 or earlier are not compatible. Bluetooth 4.0 may also be referred to as Bluetooth Low Energy (BLE) or Bluetooth Smart.
Improper handling of batteries may result in leakage, overheating, fire, or explosion.
- Always insert batteries with the correct polarity (+ and –).
- When replacing batteries, replace all at once. Do not mix old and new batteries.
- Do not mix batteries of different types.
- If the keyboard will not be used for an extended period, remove the batteries in advance.
All product specifications are subject to change without notice.