Tablet Bluetooth-compatible keyboard combined with protective case, convenient for a business trip The Bluetooth-compatible 3.0 keyboard has a long-lasting button life, durable to use With a pencil loop for storage, so that you are not afraid of losing your pencil The keyboard has a built-in lithium battery, convenient to charge and use Can be converted to a supporting stand for hands-free movie watching and web surfing Slim and lightweight design, convenient for travel, business trip, etc. Specifications: Bluetooth-compatible: 3.0 standard Effective operating distance: 10 meters Modulation method: GFSK Working voltage: 3.0-4.2V Working current:Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.