Feature:1. Using 5.0 high‑performance chip, intelligent automatic pairing is easy to use.2. The transmission rate is improved, the sound quality is smoother, and the signal is more stable.3. Free sharing is not restricted, which is equivalent to two unilateral earphones, which can be single earphone.4. Small and light, super stable fit the earphone, comfortable to wear and not easy to drop.5. Intelligent noise reduction technology, isolate external sounds and enjoy music, high-definition calls.How to Use:Bluetooth Pairing: open the charging compartment, take out the headset and automatically turn on at the same time, the red and blue lights of the headset flashes, and the opposite ears are automatically paired. After the pairing is successful, the main ear continues to flash red and blue lights alternately. At this time, turn on the mobile phone and other Bluetooth devices to search for the N80 connection and you can use it. The two earphones can also be paired and connected with the mobile phone separately. Put the earphones back into the charging compartment and automatically shut down. When using again, take out the earphone