Device compatibility: The head mount wireless headphone can connect with many kinds of devices, such as phone, MP3, and MP4. Flexible playback options: Bluetoothcompatible headphone supports TF card and AUXin mode, providing practical wired and wireless playback options. Clear hands calls: The head mount headphone features a noisereduction microphone for hands calling with improved clarity. Longlasting and comfortable: The Bluetoothcompatible earphone offers long battery life, is rechargeable, and designed for comfortable wear. Use scenarios On the go: Pair with a smartphone for music playback and hands calls during commuting or travel. At home or in the office: Use Bluetooth, TF card, or AUXin to listen to audio and take calls without being tethered to a single device. During workouts or outdoor activities: Enjoy wireless freedom with a comfortable fit and reliable battery for extended sessions.