Model: X19s [button Android charging port] Bluetooth solution: Jerry-6916 Bluetooth version: 5.0 [Binaural call] Color: white Bluetooth transmission distance: 10M Battery capacity: left/right 35 Battery model: polymer battery -401012 Working current: 18ma standby current: 4uA Standby time: 130h Talk time: 1.5h Music time: 1.5h Charging time: 1h Charging box capacity: 350mah Headphone size: 42 18 19,mm Headphone net weight: 3g Applicable products: built-in Bluetooth output device or Bluetooth transmitter main function wireless Bluetooth data transmission, wireless call, wireless music What's in the box 2 Wireless Bluetooth 5.0 Earphones 1 Charger Box 1 Charging Cable 1 User Manual