Main Features: ● Automatic start-up and automatic connection Bluetooth 5.0 smart chip, the device supports automatic power-on and automatic connection, provides a strong and stable signal, transmission is faster and more stable. ● 6D sound quality It presents a stereo surround effect and takes you to experience theater-like shock. Excellent sound quality, dynamic driver and graphene diaphragm add extra depth to the complete and clear sound, making your music sound wider. ● Continuous power charging box The large-capacity charging box can charge the headphones at any time. Each headset can be used as a separate Bluetooth headset, while the two headsets can be used for a longer period of time. ● Safe and comfortable Excellent sound insulation, ultra-light earplugs, ergonomic design, fit snugly and comfortable for a long time ● IPX5 waterproof rating Support IPX5 waterproof, calmly deal with the dual challenges of rain and sweat. Encounter multiple sports scenes of life, running, fitness or travel on rainy days.