Specifications:
<br />1.Color: Black/Brown
<br />2.Name: COOL NICE
<br />3.Model: V8-3
<br />4.Bluetooth Version: Bluetooth 4.0 + EDR
<br />5.Bluetooth Protocol: HFP, HSP, A2DP, AVRCP
<br />6.Bluetooth Frequency: 2.40GHz-2.480GHz
<br />7.Transmission Distance: 10 Meters(Straight line distance) 
<br />8.Frequency Range: 20Hz-20KHz
<br />9.Sensitivity: 95dB
<br />10.Distortion Degree: 1%
<br />11.Voltage: 3.7V
<br />12.Current: 40mA
<br />13.Working Hours: 8H
<br />14.Charge Voltage: 5V
<br />15.Charge Current: 180MA
<br />16.Impedance: 32  
<br />17.Microphone: Omnidirectional HD Microphone
<br />18.Compatibility: Mobile Phone, Tablet PC, Notebook, Any Devices with Bluetooth Function
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<br />Bluetooth Connection:
<br />Starting up the headphone directly into the bluetooth pairing state, red and blue lights alternate flashing, trumpet"beep,beep,beep" prompt tone, now to open the bluetooth device search, when the search to the product, the bluetooth device will display the V8-3 product pairing name, touch on the paired name to correct a bluetooth pairing. The connection is successful, red light out, blue light of three flash, bluetooth devices connected, touch the ON/OFF button can play music.
<br />Note: 1)When the starting is not for any operation, the headphone will shut down after 5 minutes.
<br />         2)When the bluetooth device is shutdown for no electricity or other reasons, products will directly enter the pairing state, now can be paired with other bluetooth devices.
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<br />Package Included:
<br />1 x Wireless Bluetooth Headphone
<br />1 x USB Charging Cable
<br />1 x Manual
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