on or in sleep mode

but with pixel-perfect precision

Powerbeats Pro

It also powers the system if you choose to operate without a battery

yet surprisingly soft

45mm (PRODUCT)RED Sport Loop cansdd on or in sleep modeSoft, breathable and lightweight, the Sport Loop features a hook and loop fastener for quick and easy adjustment. The double layer nylon weave has dense loops on the skin side that provide soft cushioning while allowing moisture to escape. This weave is made with 82% recycled yarn, some of which contains material from discarded fishing nets. This strap is carbon neutral. The Sport Loop contains 45% recycled content by weight, 100% of manufacturing