In-ear sports headphones

• Bluetooth version 5.0, using 2.4GHZ Bluetooth frequency band 
  
•  Both left and right ears have built-in 40mAh special customized steel shell rechargeable lithium battery
•  Barrier-free straight-line distance 10-15 meters, barrier-free 360 ° any angle 10 meters
  
•  Charging: Charge the battery in the storage mode and quickly charge the battery 100% in 60 minutes. The storage box has a built-in 300MAH battery, which can be charged 3 times in a row.
  
• Built-in high sensitivity (-38db) MIC

          Color: black, white, black red, black blue, black and white, white blue, white gold,                white rose, white red

          Box Pack: 100x38x150cm,
           Weight: 140g