Feature: 1. Ergonomic design: This one handed keyboard adopts mechanical switch used in the field of professional games, curved and ergonomic key layout. 2. Programmable Keys: This one handed keyboard possesses 6 programmable multimedia keys for more convenience. 3. 35 Keys: This one handed keyboard has non‑conflict 35 keys in blue switch, providing sensitive and accurate control. 4. RGB Backlit: This one handed keyboard provides RGB backlit, the cool lighting effect will bring you more fun for game. 5. Wide Compatibility: Suitable for Win 2000, Win XP, for Win ME, for Vista, for Win 7, for Win 8, for Win 10. How to Use: Plug and play Specification: Item Type: One Handed Keyboard Material: ABS Model: K50 Number of Keys: 35 Axes Body: Blue Switch Transmission Mode: Wired Key Life: 50 Million Times Operating Voltage: 5V±0.5 Working Current: ≤170mA (Maximum) Support System: Suitable for Win 2000, Win XP, for Win ME, for Vista, for Win 7, for Win 8, for Win 10. Package List: 1 x One Handed Keyboard1 x Key Puller 1 x User Manual