"Musical tones" are meaningless and distracting when first switched on. (Mine only plays static and broken tones.) Then it says "Ready to pair" even though it's already 100% paired. Hm? *EVERY* time you turn it on it repeats this mess. If you wait, you can take the call. (If intercepted before then it goes to voicemail due to unnecessary startup delays.) I also have an old model HK250. Turns on with no problems. Answers incoming calls immediately. Another case where the "upgraded" model (HK255) isn't better, it's worse.
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