Attention: Welcome to my shop! We ship the product from China, the delivery time is 7-14 days! Product parameters:Bluetooth Specifications: Bluetooth V5.0Bluetooth solution: AC6976Transmission distance: 10-15MHeadphone battery: 40mA*2Playing time: 5HHead:Battery capacity; 50mAPlaying music time: 4 hoursCharging parameters: 5V, 50mACharging time: 1 hourCharging case:Battery capacity: 400mACharging parameters: 5V, 500mACharging time: 1.5 hoursfeature:1. Bluetooth 5.0 solution, lower power consumption, ultra-clear sound quality, and faster transmission.2. Open the cover and pick it up to connect, support independent use of binaural and single ear.3.6MM composite membrane moving coil unit, super bass enhances the sense of space of the sound and restores a more realistic music effect.4. The multi-function touch operation is simple and fast, abandoning the traditional buttons and reducing the pressure of the headset.5. The design of bionic ear sockets and art can not be shaken by sports fans; the use of lightweight materials allows you to experience wearing comfort like nothing.6. IPV4 waterproof function, suitable for outdoor fitness, sweatproof and waterproof.