Shure AONIC 215 TW2 True Wireless Sound Isolating Earbuds with Bluetooth 5 Technology, Premium Audio with Deep Bass, Secure Fit Over-the-Ear, 32 Hour Battery Life, Fingertip Controls - (Gen 2) - Black

AWE-INSPIRING, TRUE WIRELESS AUDIO - Clear sound and deep bass. Engineered from decades of experience supporting music legends.

SWEAT & WATER RESISTANT - Sweat and water resistant with an IPX4 Rating. Designed to pass rigorous quality and durability testing to ensure they’ll maintain peak performance.

SECURE FIT - Secure, close-fit design. Built with the same low-profile design musicians use for monitoring on-stage. Your earphones stay in place with an over-ear hook providing unmatched, long-wearing comfort even during high-energy activities.

The mentions of TW1 on packaging is a part of the technical information

32 HOURS BATTERY LIFE - Up to 32 hours total battery life. Uninterrupted audio wherever you are – on the train, in the gym, or at home. The earphones hold up to 8 hours of battery at a time and the included carrying case provides three additional charges.

BUTTON CONTROL & CLEAR CALL - Onboard button controls for quick access to volume, playback and calls. Enjoy clear, stereo calls with exceptional audio through beamforming microphones for video conferencing and phone calls.

DETACHABLE CONNECTION - Detachable connection allows the AONIC 215 Earphones to attach to different cable accessories with an MMCX connection. Stay connected to any device, including airplane entertainment systems.

BLUETOOTH 5 TECHNOLOGY - Bluetooth 5 wireless technology for enhanced stability and a range of up to 30 feet (10 meters). Pairs to phones, tablets and laptops for music and calls.