With no wires in the way, the Altec Lansing Sport Waterproof Bluetooth Earphones keep you moving with an IPX6 waterproof rating and three different size ear tips designed for comfort and stability. Connect to your device easily with Bluetooth and use the on-board microphone, song navigation/telephony buttons to control the volume, skip tracks and take calls. With "Just Ask" access Siri and Hey Google voice assistant to organize your day, find out the weather, send a text and more! A built-in lithium-ion battery delivers up to 10 hours of battery life per charge. With performance like this, the only challenge left is your workout!