The Lenovo Chromebook Duet is easily the best ultra-portable detachable for the money
Durable aluminum build; Magnetic keyboard and back cover included; Grippy aluminum prevents drops; provides durability; Great aesthetics and in-hand feel; Low weight and slim build for portability; Almost 7-hours of real-world device up time; Well-balanced speakers; Bright; vibrant 1920 x 1200...
Cramped keyboard requires a learning curve; Magnetic keyboard attachment isn't strong enough for comfort; Only a single port -- USB-C; No 3.5mm audio jack; 3.5-hours to charge