These Altec Lansing NanoBuds 2.0 are perfect to use during any activity during the day. The secure Altec Lansing design keep the earbuds in place and the IPX5 rating makes them sweatproof and water resistant. With its anti-microbial protection repels 99.9% of bacteria and germs that they may come in contact with. These Nanobuds have a 5 hour battery life, and the portable pocket-sized charging case gives users an additional 3x charges for a total of 20-hours. Dual mic clear calling allows for calls to be heard clearly and easily with its ability to manage calls with a 30ft Bluetooth wireless range!