•Anti-microbial Protection – Repels 99.9% of germs •Up to 5 hours of playtime per charge •Extra 3x charging providing up to 20 hours battery •IPX4 sweatproof and water resistant •Dual Mic Clear Calling – crystal clear audio quality •Altec Lansing Helix Wings – your earbuds will stay in place through the toughest workouts Altec Lansing NanoBuds Sport will get you into the zone during any workout. The secure Altec Lansing Helix Wings keep your earbuds in place and the IPX4 rating means their sweatproof and water resistant. Anti-microbial protection repels 99.9% of bacteria and germs that they may come in contact with. With a 5 hour battery life, you never need to worry about running out of music and the portable pocket-sized charging case gives you additional 3x charges for a total of 20-hours. Dual mic clear calling allows you to hear and be heard, clearly, from the office to home and everything in between. Weight: .2 Pounds Water Resistance: Sweat-Resistant, Water-Resistant Ear Cushion Material: ABS (Acrylonitrile Butadiene Styrene) Electronics Condition: New Electronics Features: Lightweight Design, Auto Pairing Connection Types: No Wired Connection Ports Wireless Technology: True Wireless Package Quantity: 1 Compatible With: Android, Apple iOS Microphone: Built-In Microphone Maximum Battery Charge Life: 5 Hours Battery: 1 Non-Universal Lithium Ion, Required, Included