ISOTUNES IT-21 - PRO 2.0 Bluetooth Earplug Headphones TOL Expander 1/2" and 5/8" thread adapter

1/2" and 5/8" thread adapter nuts convert other hole saw brands to Snap-Lock Plus™

we'll replace it (excludes: DW5400

plus a neoprene wrist cuff to help keep debris out

The charger communicates directly with the battery pack to monitor cell voltage

Profile shaped for easy grip and comfort when it's in your pocket

ISOTUNES IT-21 - PRO 2.0 Bluetooth Earplug Headphones TOL Expander 1/2" and 5/8" thread adapterProfessional Bluetooth hearing protector designed for all day use in the toughest and loudest environments. Sweat, water, and dust resistant with premium aptX sound quality, 27 NRR, and 10+ hours of music and talk time. 16+ hour battery life IP67 dust, water, and sweat proof Bluetooth 5. 0 Redesigned comfort fit earhook 27 dB NRR OSHA and NIOSH compliant SafeMax 85dB volume limit Chrome plated brass ear stem Background noise canceling for calls