This is a Smart Keyboard compatible with Microsoft Surface Pro devices (versions 3, 4, 5, 6, 7, and 7+). It features a backlight and comes in Black Grey. ‎It may be a wireless Bluetooth keyboard (Wireless Replacement, not original from Microsoft Price 180﷼ ________________________________________________ Sound Amplifier * SMT technology and SMD electronic components in the manufacturing of this amplifier, ensuring high quality, stable performance, and long life. It features low power consumption for long-term operation thanks to integrated circuits. The system operates on AC and DC power. You can also use the built-in rechargeable 1.2 Ah battery, or connect it to a car cigarette lighter power source (12V DC). (Car power cord not included, please contact us to purchase separately). AUX input for connecting MD/CD players and others. * AUX output, 8-ohm speaker output. * Play MP3 files via USB/SD. * FM Radio. * Digital MP3 recorder to USB/SD card, 1GB capacity records 1000 minutes, and 64GB capacity records 64000 minutes. * Bluetooth playback. * LCD screen. * Tone control. * Wired/Wireless microphone. * Digital echo control. * Quartz stabilizer for carrier wave frequency transmission to avoid interference. * UHF amplifier, with 99 different frequencies available from 700MHz to 900MHz. *   A regular 9V battery or an 8.4V rechargeable battery can be used in the handheld wireless microphone and wireless transmitter.   Three types of microphones are suitable for different purposes. You can use the handheld microphone, headset microphone, and lavalier microphone interchangeably. The unidirectional lavalier microphone features high sensitivity for clear audio transmission and reception. Price 100﷼