ISOtunes Free True Wireless Noise Isolating Earbuds-Bluetooth 5.0 Earbuds-Green. Enjoy your favorite music even in noisy environments with the ISOtunes FREE True Wireless Noise-Isolating Bluetooth Earbuds. They also pair with any compatible Bluetooth device, such as a smartphone, for wireless streaming up to 7 hours on a fully charged battery. They also have compact charging case that contains 2 additional charges for 14+ hours of battery life when you’re on the go. These are OSHA-compliant headphones, making them safe and suitable for busy professional workshops. Wireless connections Bluetooth: 5.0. DustRead More