Wireless
Bluetooth 4.0 Stereo Headset Earphone Headphone Smart Phone PC

Features:

• 
  

  Brand New High Quality

• 
  

  Quantity:1pcs

• Space-saving foldable headband

• Enjoy wonderful stereo music and hands-free calls

• Enhanced bass and full-range sound for dynamic audio.

• Sound-isolating design

• 3.5mm audio jack

• Built-in rechargeable lithium-polymer battery

• Along with 20mW long-term input power for impressive sound

• Can freely control the switch of previous song and next song, pausing song,
  answering calls, ending calls, refusing the incoming call, dialing the last
  number, volume control

Specification:

• 
  

  Bluetooth Specification : V4.0

• Receiving Range: 10M

• Frequency response: 20-20KHZ

• S/N ration>90db

• THD<0.1%

• Speaker Diameter:40mm

• Speaker Impedance:32

• Audio connector:3.5mm

• Frequency response: 20-20KHZ

• Operating voltage:3.5-4.1V

• Operating current:50mA

• Output power: 2X10mW

• Battery: 5B rechargeable battery (3.7V 400mah)

• Power Supply: PC USB port DC5V; DC 5V (500MA) Travel Charger: DC 5V (500MA)
  Car Charger

• Charging time: 2 hours

Method
of use

• 
  

  Open
  the Bluetooth mobile phone or computer

• Search Bluetooth headset signal, in accordance with the instructions of the
  link

• Other detailed functional use, please debug instructions