for Milwaukee 2191-21 RED LITHIUM USB Bluetooth Jobsite Ear Buds

Premium in-ear audio provides powerful and balanced sound
Jobsite aware mode provides controllable situational awareness while reducing the intensity of loud external noises
Up to 10-hours of runtime on a single charge
Up to 70-hours of runtime using multiple in case charges provided by REDLITHIUM USB Battery
Bluetooth 5.1 provides up to 55 ft. of range
Passive hearing protection provided by foam (25 NRR) and Silicone (22 NRR) Ear Tips
Phone call capable