Features:
<br />Compatible with all Phones that are Bluetooth enabled.
<br />Anti-noise, strong signal, double soundtrack, and amazing high / low stereo sound.
<br />Control buttons: Power on/off switch, volume up/down, music change.
<br />Low battery, connection, calling or playing, charging indicator.
<br />Supports connection with two devices at the same time and hands-free calling.
<br />Low consumption, long time working and standby.
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<br />Specification:
<br />Drive: 15mm
<br />Impedance: 32 OHM
<br />Bluetooth version: Bluetooth v4.1+EDR
<br />Bluetooth frequency band: 2.4GHz
<br />Power level: CLASS II
<br />Output power: 30mW
<br />Bluetooth distance: obstacle free 10 meters
<br />Frequency response: 20-20000Hz
<br />Working voltage range: 3.0V-4.2V
<br />Head sensitivity: -42dB
<br />Have A2DP /AVRCP high quality stereo audio transmission and remote control protocol
<br />Powerful noise canceling circuit (active noise reduction)
<br />Switch between English and Chinese (boot is not connected to Bluetooth status, and press Switch 2 times to hear prompt tone switching successfully)
<br />Charging time is about 1 hours
<br />Product size: 25*15*35mm
<br />Talking time is about 4-5 hours
<br />Music time is about 4-5 hours
<br />Standby time is about 120 hours
<br />Charge time is about 60 minutes
<br />Battery capacity 60MAH
<br />Charging power supply: DC5V power supply [round hole interface]
<br />Color: White,Black,blue,Gold,Red,Rose gold
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<br />Package included:
<br />1* Hands-Free Stereo Bluetooth Earphone
<br />1* USB Charging Cable