- COMPATIBLE AND ULTRA-THIN: Keyboard compatible with Ulefone Power Armor 16S. At 3/16 inch thick, the SlimKeys Bluetooth Keyboard is ultra-thin and light. Its compact size makes it easy to store. When you need to type a long text message, email, or article, you can quickly set it up with less effort. PLEASE NOTE: ULEFONE POWER ARMOR 16S DEVICE NOT INCLUDED - LIGHTWEIGHT AND TACTILE: SlimKeys features responsive chiclet-style keys that provide the same tactile feel as a full-size keyboard, while remaining thin and light enough to carry anywhere. - BATTERY SAVING DESIGN: The on/off switch helps conserve battery by turning off the keyboard when not in use. Its Bluetooth Version 3.0 is designed to avoid the battery drain of leaving an older version on constantly. - BLUETOOTH 3.0 PERFORMANCE: Bluetooth Version 3.0 offers faster pairing and seamless communication between your device and the SlimKeys Keyboard. - USE SCENARIOS: On the job in the field with the Power Armor 16S to type long messages or emails on site. While traveling or commuting, type articles or quick responses without carrying a bulky keyboard. At home or in the office, use it as a compact accessory for extended typing sessions without clutter.