Bluetooth Version:5.0 
Transmission Distance: Outdoor straight line distance 15-20 meters
Battery Capacity:Polymer lithium battery 523mAh
Colour: White
Charging Time: 1 hour
Music Time: 3-4 hours
Standby Duration: 100 hours
Features: Noise Cancellation, Wireless Charging, Optical Sensor, Real Battery Status, Hi Siri, Spatial Audio
Talking time:5 hours
External box size: 10 cm * 10cm * 4.5 cm (original box inside)
Compatible With iso Devise, pads devise apple watches or Macs with the latest software.