Appearance of the process: Bluetooth headset high light UV
Unique design fits your auditory meatus perfectly
Binaural headphone, can be used in dual and single
Support one match two, connect two devices
Voice recording and dialing
 True wireless without a line
 Play music with definition sound
 HD microphone make call clearly and loudly
 Portable use with storage box buily-in lithium
 Sweat proof, good  for Sports and outdoor movement.
Model: X9
Product Type: Ear-hook Bluetooth Headphone
 Bluetooth Version: Bluetooth 4.2 + EDR; Class 2.
 Supports HSP, HFP, A2DP, AVRCP protocol. 
 Frequency Response Range: 20-20KHZ
 Frequency Range: 2.4026~2.480 GHz
 Operation Range: 10 meters
 Speaker Diameter: 8mm
 Microphone: Built-in high-sensitivity microphone (-38dB).
 Sensitivity: 90dB
  Headset Battery: 3.7V / 50 mAh Rechargeable Li-ion battery
  Power Supply Box: 450mAh Rechargeable Li-ion battery
  Music Playing Time: About 2.5 hours (The Music Volume will affect the time)
 Talk Time: Up to 2.5 hours
  Charge Time: About 1.5  hours
  Charge Time (for Power Bank Box): About 2.0 hours
  Charge Port: Micro USB
 Charge Voltage: DC 5V / 500mA
  Main Item Weight: 5g