Techfire FIRE-145 40Hours Playtime Bluetooth Neckband With Fast Charging WIRELESS BLUETOOTH NECKBAND HEADPHONES INSULATING DESIGN - Full silicone material with double layer ear cup to perfectly suppress background noise, snoring, TV sounds in living room, office and roommate sounds, etc. Ultra realistic sound - Enjoy even the smallest nuances and sound in studio quality thanks to high-resolution audio, which outperforms CDs. The passion for music is noticeable in all components, so you feel the artist would appear right in front of you. No tangled cables – thanks to the practical magnetic closure, the cables do not tangle, and the headphones are always ready to use. Multi-device support.