Specifications:
Sensitivity: 102Db
Speaker: 10MM
Material: Polyester
Interface: Micro USB
Bluetooth: V3.0 + EDR
Frequency: 2.402GHz-2.480GHz
Transmission distance: About 10 meters
Headphones transmission distance: Less than or equal to 1 m
Lithium battery: 3.7V / 100mA
Charging time: 2 hours
Standby time: 6-8 hours
Continuous working time: About 3.5 hours
Key: Multifunction key, volume +/- buttons (long press to adjust the volume, press the 6. switch / next song)

Package including：
1 x Bluetooth Smart Hat
1 x Instruction Manual
1 x Charging Cable

• 100% brand new and high quality.
• One size fits all - Stylish modern design
• The simple controls on the baseball cap allow you to answer phone calls, adjust the volume and skip through your music play list with ease
• Set-in MIC, available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hand free answering
• Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.

100% brand new and high quality.Juicart