Official website 1:1 full-featured + noise reduction mode + Dolby original sound effect + long battery life + complete packageOfficial website 1:1 full-featured + active noise cancellation + Dolby original sound effects + long battery life + complete packageOfficial website 1:1 full-featured + ANC active noise cancellation + Dolby original sound effects + long battery life + complete package QC Premium Edition TW5H/L62A-ZJ_ANC35-SLTop version TW5U/L62E-ZJ2_HANC45-AD-V3Ultimate Edition TW5F/L72A-ZJM_UA50-BC-IPX7