Elprico Dial Block - 34 Keys Rechargeable Wireless

functions: 1. tens keyboard with 34 buttons for computers and laptops. 2. Made from aluminum alloy + ABS, durable. 3. No matter where you go, you can simply put it in every backpack, bag or wallet. 4. Built-in soft pack lithium battery mAh. 5. Supports , and systems. Specification: Material: Aluminum alloy + ABS Color: Schwarz Support system: , , Number of keys: 34 keys wireless/ solution: (BCM20730) 3.0 keyboard life: (keyboard stops) 5 million times Answer speed: 5 milliseconds transmission removal: 10 meters Operating current/voltage: 2 MA/3.7 V built-in lithium battery: yes battery type Capacity: soft pack lithium battery 302323-110mah loading time: 2 hours usage period: 50 hours standby time:> 2 months size: 145 * 10 mm/5.7 * 0.4 inch Weight: 140 g package list: 1 * TACHTART 1 * English manual