Features: Advanced Automatic & Stable Connection with Bluetooth 5.0 Stable and seamless Bluetooth is provided by Bluetooth 5.0 wireless earbuds. Long-distance transmission up to 33 feet away, faster pairing, and reduced consumption. Assure top-notch calls and music. - Astute Matching Following initial setup, the earbuds automatically turn on and pair with your smartphone when taken out of the case and turn off when the case is charging. Additionally, with clever finger touch control, it's simple to answer or reject calls, skip, play, and pause music, adjust the volume, activate the voice assistant, and support Siri. Mini, Secure Fit, Extended Playtime incredibly portable and small wireless in-ear headphones that can play music for five to six hours. a maximum of 40 hours of total working time with a charge case. Both single and double device connections are supported.