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Purchase: Earn 1 Hz for every $1 HKD spent online or at our SNDO Kai Tak store.
Birthday: Receive up to 1,000 Hz during your birthday month, unlock higher tiers to receive more Hz on your birthday!
Store Check-In: Step into our SNDO Kai Tak store , capture the analog vibe (photo or video), and tag us to sync 100 Hz to your account. (Available once per week, approve manually by our staff)

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