HUAWEI FreeBuds Pro 2 sustains up to 30 hours 15 of listening with the charging case, and can even be charged by your phone or tablet when you need a boost.This product is not a professional waterproof device, but is splash resistant during normal use.HUAWEI claims a battery life of up to four hours when ANC is on (six and a half hours with ANC off) and up to 18 hours with ANC on (30 hours with ANC off) with the case included. Available in white, gray, and blue color options, the HUAWEI Freebuds Pro 2 The company also claimed the Freebuds Pro 2 case fills up in 60 minutes, provided the buds aren't inside. Our real-life charging times were consistently in the 70 to 75 minutes window. Wireless charging takes twice as long - up to 2.5 hours from 0 to 100%, so if you are in a hurry plug in a cable.