Milwaukee Tool delivers innovation in job site audio with the new REDLITHIUM USB Bluetooth Job Site Ear Buds. This solution provides users with premium in-ear audio, enhanced situational awareness, durability and passive hearing protection to deliver a best-in-class job site audio experience.

The REDLITHIUM USB Bluetooth Job Site Ear Buds offer uncompromised sound with a unique Job Site Aware Mode to deliver a trade-focused audio solution. When activated, this mode provides enhanced situational awareness by actively sensing external noises and reduces volume pass-through of loud sounds until levels reach a designated listening volume.

Built to survive on the job site, this wireless audio solution is water-, dust- and impact-resistant. With up to 10 hours of runtime on a single charge, these ear buds deliver all-day runtime. The REDLITHIUM USB case battery provides up to 70 hours of runtime with multiple in-case charges.

Designed for on-the-job use, these Bluetooth earbuds provide passive hearing protection, delivering Noise Reduction Rating tips, available in foam (25 NRR) or silicone (22 NRR) for user comfortability preference. Bluetooth functions provide phone call and music capabilities with easy-to-use controls.

Milwaukee provides a job site-focused design with a new in-ear audio solution that allows contractors and service workers to stay productive and better protected on the job site without compromising sound quality.

REDLITHIUM USB gives users rechargeable convenience and performance where maintaining a compact size is critical and eliminates the downtime associated with other rechargeable solutions due to slow charge speed or integrated batteries. Capable of being charged either on the product or a separate charger and with a 3x faster charge time, users can get back to work more quickly. Plus, with over 2,000 recharges, REDLITHIUM USB eliminates the dependency on disposable batteries in situations of extended use.



  • Left and right ear buds
  • USB-A to USB-C cable
  • REDLITHIUM USB Bluetooth battery 3.0 ampere-hours
  • Three sizes of ear wings
  • Three sizes of foam ear tips
  • Three sizes of silicone ear tips
  • Manual
  • Quick start guide


  • 1-year tool warranty
  • 2-year REDLITHIUM USB battery warranty