Plantronics BackBeat Go 2 Wireless Hi-Fi Earbud Headphones with Charging Case - Compatible with iPhone, iPad, Android, and Other Leading Smart Devices - White This product is not intended for active fitness engagement  like running, as this indeed can cause instability in the ear, and can fall out. The product does ship with a gel-type ear stabilizer on the ear bud  making it ideal for walking. Charge case enables up to 14.5 hours listen time Sweat-proof, durable design,Stable, comfortable fit Deep Sleep power-saving mode Up to 4.5 hours of listening time