Just don't get distracted by Sony's hi-res talk: build quality, audio circuitry and software UI are what determine a portable player's fun factor.
Sony Walkman NW-A306 Lightning Review: Entry-Level Audiophile Player
Sony Walkman NW-A306 Review: A new twist on a classic, sans nostalgia – Firstpost
Sony Walkman NW-A306 Review: Best Value HiFi Audio Player to Get!
NW-WM1AM2 vs NW-ZX707 vs NW-A306: Comparing the Sony Walkman Lineup - HiFi Oasis
Sony Walkman NW-A306 In-Depth Review – Hi-Res Audio for the Budget Audiophile
Sony Walkman NW-A306 Review: A new twist on a classic, sans nostalgia – Firstpost
Sony's NW-A306 is a more affordable 'New Walkman
Sony NW-A306 DAP Music Player Review - Moon Audio
Sony Walkman NW-A306 Review: A new twist on a classic, sans nostalgia – Firstpost
NW-A306 360 Reality Audio, Portable Audio Player
Smart new Sony Walkman plays high-res music for longer, but there's a catch… – The Luxe Review
Sony NW-A306 DAP Music Player Review - Moon Audio