celly compactbl true wireless earphones bllue PHOTO 4th generation) thanks to the use 4th generation) 5 h Operating Time Up to 5 h Standby Time Up to 300 h Total Play Time with Case Up to 26 h Case Charging Port USB C IPX Protection Level IPX5 Functions Music Playback Calls Impedance 32 ohm ± 15% Built in Microphone Yes Color Black Total Play Time with Case Up to 26 h Package Includes Headphones Primary color: Blue Designed for: mobile phone smartphone