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Hello- Shokz here! The OpenRun Pro have 9th generation of bone conduction technology, longer battery life (10 hours), quicker battery charging time (1 hour), and an IP55 sweatproof rating. The OpenRun has 8th generation of bone technology, 8 hour battery life, 1.5 hour charging time, slightly lighter in weight and a waterproof rating of IP 67. Please reach out to our Customer Happiness Team if you have any other questions. Thanks!
Sorry, there was a problem. Please try again later.The PRO is designed for runners who perspire.
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