UtechSmart Slim Mini Bluetooth 3.0 Wireless Keyboard for iPad Mini / iPad / Nexus 7 / Galaxy Tab and other Tablets Built in Rechargeable li-ion 160mah Battery (charging cable included);ON/OFF switch design for lower power consumption; QWERTY layout with 78 keys; Easy and fast set-up; Auto sleep/wake function conserves battery life. Super slim styling, comfortable and ergonomic design; Noiseless design;100% compatible with Apple iPad and iPhone (No app required). Special keys to activate iPad keyboard functions; Short-cut keys especially designed for Apple iPad 1/2/3. Bluetooth Version: Bluetooth V3.0; Frequency: 2.4GHz; Working range: 10M;Size: 11.2"L x 4.7"W x 0.2"H (285mm*120mm*6mm).