Air Mouse Wireless Keyboard Controller 2.4GHz Mini Infrared Learning Remote Control Micro USB Charging 300mAh for Android TV Box Feature: 1. Connection mode: 2.4G connection, with USB receiver, which can be operated without alignment. 2. Learning button: The power button can be used for infrared learning. With 57 keys. 3. Application: Compatible with most Android set-top boxes, projectors, for Android TVs and MAC computers. 4. Battery type: Built-in 300mAh/3.7V lithium battery, rechargeable. With keyboard on the back, beautiful appearance. 5. Remote control distance: The remote control distance is more than 10 meters, which is charged by Micro USB.Specification: Certification: CE Origin: Mainland China Use: Computer,TV,Projectors Wireless Communication: IR Model Number: Remote Control Package: Yes Model: W1 Wireless modulation mode: GFSK Modulation frequency: 2.4-2.4835GHz Working temperature: - 20 ℃ - 65 ℃ Battery type: 300mAh/3.7V lithium battery Power consumption: <15mA Standby power consumption: 25uA Number of keys: 57 Remote control distance: >10m/32.8ft Charging port: Micro USB Product size: 158x55x16.5mm/6.22x2.17x0.65in Package size: 205x95x20mm/8.07x3.74x0.79in Net weight of product: 86.5 ± 5g Supported systems: For Windows / Android / Mac OS / Linux Standby mode: When the remote control has no keys or does not move the air mouse for 15 seconds, the remote control will automatically enter the standby mode. Press any remote control button to wake up, while the air mouse remains in its original state. Infrared learning function: 1. Press and hold the (OK) and (Power) keys of the remote control at the same time, the indicator light will light up slightly, and it will high lights after 3 seconds 2. Press the infrared function key to be learned on the remote control (see Key Menu), and the indicator flashes 3. Use the transmitter tube of the learned remote controller to aim at the 1-5cm distance of the transmitter tube to be learned. After successful learning, the indicator will flash for three times and then be on always. Repeat steps 2 and 3 to learn multiple keys in turn 4. Press the (air mouse) key to exit the learning mode and save the learning data

Note: When the remote control is not connected to Dongle by default, the remote control will display infrared key values; Send the HID key value after connecting with Dongle; The (power) key always sends an infrared key value. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.