Customer Service Phone : +82-2-2639-6000 Business Hours : 09:00 ~ 18:00 (Korea Standard Time) The following optional access rights are required for service delivery: you can still use basic services even if you do not allow this access. • Microphone authority: access for voice search • Storage authority: access for bar code search, product review registration, photo album usage when 1:1 consultation. • Call authority: access for sending push service (device verification check) • Contacts authority: access for sending push service (Google account information check) • Camera authority: access for the product scan in case of bar code searching.