Exercise Wireless Headphones Super ENC Voice Change Magnetic Switch ON/OFF 60 Hour Music Time All Mobile Phones, Music Portable, Game Console Bluetooth Version: 5.4 Talking Time: Up to 60 Hours Music Time: Up to 60 Hours Standby Time: Stop working Automatic shutdown Charging Time: 1-2 Hours Charging Type: Type-C Charging Power: DC3.7V 300mAh Transmission Distance: 32ft.(10m)