Hair Coach - Is the Hair Coach waterproof? The Hair Coach should not be used under shower. However, you can clean it carefully under running water. 関連記事 Hair Coach - What is the Hair Coach and what does it measure? Hair Coach - Does the Hair Coach come in multiple colors? Hair Coach - How long can the batteries last? Hair Coach - Hair Coach は、いつ発売されますか？ Nokia Steel HR - デバイスがインストールできません。どうすればいいですか？ Didn't find what you need? Here's how to get in touch. お問い合わせ Call us Customer Support ID (this number allows secure and easy account verification when communicating with our support team by phone): To view your Customer Support ID, please log in by clicking on 'login' at the top of the page. Hours of Operation: North America: Monday through Friday, 9 am - 10 pm Eastern Time (6 am - 7 pm Pacific Time).If you are unable to reach us by phone, please use the ‘Send us an email’ button to send an email instead.Disclaimer:Free call and assistance. Calls placed from outside of these locations may be subject to long distance fees. All phone calls may be monitored and/or recorded for quality purposes.