Robotsky XT-22 Bluetooth Headset - Micro SD Support

• Mic Support TF Card
  
• Bluetooth version: 4.2 + EDR
  
• Horn impedance: 32ohm
  
• Horn Frequency Response: 20Hz~20KHz
  
• Horn rated power: 3MW
  
• Horn 1K Sensitivity: 98DB
  
• Call time: about 3.5 hours
  
• Music time: about 3.2 hours
  
• Standby time: about 160 hours
  
• Transmission distance (m): 7-10m
  
• Power consumption: 18-22 mA
  
• Input power: 93 mW
  
• Charging time: 0.6h
  
• Battery capacity: 75 mAh
  
• Energy Content of Lithium Batteries (Watt Hour): 0.203wh
  
• Functions: Call, TF card, music, stereo