⌨️ BT21 BABY WIRELESS RETRO KEYBOARD : BT21 and Royche Collaboration Wireless Keyboard 💬 AVAILABLE in ENGLISH and KOREAN : English and Korean compatible keyboard. 🔋 BATTERY : Uses Two AAA battery 📡 LONG WIRELESS RANGE : 10m, 33ft 📏SIZE : 391 x 135 x 41 mm, 14.4 x 5.4 x 1.6 inch