Support digital signal processing 4 hours charging time bluetooth wireless earphone

Support digital signal processing 4 hours charging time bluetooth wireless earphone Product Description Product Specifications:

Item:	headband wireless headset
Bluetooth Profile:	A2DP/AVRCP/HFP
Frequency Bresponse:	20Hz~20KHz
Loudspeaker Diameter:	40mm
Loudspeaker Impedance:	32Ω
Playing  Time:	8hours
speak power :	20mW
Standby time:	30days
Charging time:	4 hours
Charging port:	Micro USB
RF Range :	up to 20 meters
Dongle:type:	Optical/USB
Color :	≥75dB
Horn diameter:	Black  /  White  / Blue / Pink
other	Built-in microphone support digital signal processing echo cancellation technology
	3.5mm line in jack allows headset to work without battery

Product Pictures:  headband wireless headset headset Picture show:   Company Information   Shenzhen Bada Sheng Electronic Co., Ltd. is a professional headphone ( focus on headphone for Video game/computer game ) manufacture.2.1 stereo vibration headset/ USB 2.0 for computer games.     Specially we manufacture the headphones for the PS3 X BOX 360 PC gaming console . All of our headphones have a high quality, do not interfere with other people when playing game or enjoying the music.     As a factory with our own design and core technology. Our products have a full year guarantee. We pride ourselves in our quality, professionalism, and integrity.     Bada Sheng has 8 years' experience in OEM and ODM service attained FCC, CE certifications. Our management system is in strict accordance with the standard ISO 9001-2008.     Come to our factory,you will find a way to help you achieve your business target.