metal meshThe frequency answer surgery is real practiced equally the FiiO FB1 earphones are able to reproduce balanced depression bass too high treble frequencies at the same book level. The overall book max score is real loud which is cracking when exercising inwards the gym.
The bluetooth bit is able to boost the bluetooth betoken to a whopping 20-meter (65ft) attain inwards straight trouble of sight, which is twice equally long equally the measure 10-meter attain most bluetooth earphones offer.
On a total accuse (two hours), the FiiO FB1 bass heavy bluetooth earphones deliver betwixt vii hours too 8 hours of playtime/talk fourth dimension cheers to a 110mAh lithium polymer battery. Fast charging is also integrated inwards the FiiO FB1 bluetooth earphones too so 10 minutes of charging tin deliver lx minutes of playtime.
cable management clipThe overall expect of the FiiO FB1is sleak too stylish too functional also because of the nano coating protection that prevents wet ingression too scratching. FiiO FB1 earphones are IPX4 rated too so they are sweatproof.