• AWEI A920BL Wireless Sport Stereo Headphone
• Brand : AWEI
• Model : A920BL
• Wearing type In-Ear
• Function Song switching, Multi connection function, 
• Bluetooth, Voice control, Answering phone
• Sound channel Two-channel (stereo)
• Frequency response 20-20000Hz
• Impedance 16ohms±15 percent
• Output power 10mw
• Talk Time 3-5 hour
• Music Time 2-3 hour
• Standby time 48h
• Charging time 1-2h
• Bluetooth version V4.1
• Bluetooth distance 10m
• Package weight 0.102 kg
• What's The Box :
• 1  AWEI A920BL Wireless Sport Stereo Headphone
• 1  Charger Cable
• 1  Extra Ear Pices
• 1  User Guide