I tried using Microsoft's wireless keyboard & mouse "Wedge Mobile Keyboard" and "Wedge Touch Mouse" which is compatible with tablets and smartphones - GIGAZINE
The Microsoft Wedge Touch Mouse Review - Is it Worth Buying? | Digital Citizen
Genuine BlueTrack Bluetooth Wireless Mouse for Microsoft Wedge Touch Surface Edition pro Mini Mice better than Lenovo DELL ACER - AliExpress
Amazon.com: Microsoft Wedge Touch Mouse : Electronics
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Amazon.com: Microsoft Wedge Touch Mouse Surface Edition (3LR-00009) : Electronics
Amazon.com: Microsoft Wedge Touch Mouse : Electronics
Microsoft Wedge Touch Mouse and Mobile Keyboard review - The Verge
Microsoft Wedge Touch Mouse and Mobile Keyboard review - The Verge