Features:Bluetooth 3.0Headset can rotate 180 degreeFashion, novel and chic,simple and easy, color is rich.Protein leather + pearl cotton earmuffs comfortable and sound insulation.Multi-functional Keys: Power On/Off, Previous/Next Song,Mute,Volume +/-, LightHand-fee call function,the microphone sensitivity is -45DB

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Specification
Brand	Syllable
Model	G01
Frequency	20Hz-20KHz
Impedance	16Ω±5
Speaker	40 MM HIFI speaker
Bluetooth	3.0
Bluetooth Range	10 meters barrier-free
Sensitivity	-45DB
Power
Operating Voltage	3.0-4.2V
Battery	300mAh Rechargeable Polymer Lithium Ion Battery
Standby	100 hours
Phone Talking Time	5-8hours
Charge	5V DC, AC adaptor input/100-240V
Body
Dimensions	6.89 in x 7.09 in x 3.15 in (17.5 cm x 18.0 cm x 8.0 cm)
Weigh	31 oz (88 g)

In the box:
1 x Syllable G01 Wireless Bluetooth Earphone 1 x 3.5mm audio cable 1 x charger cable