Bluetooth Headphone - Abs Material, 180x130mm, Custom Colors | Automatic Contraction Microphone, 20 Hours Playback, Bluetooth 4.0

With our vast industrial experience, we are indulged in manufacturing, exporting and supplying a quality array of Bluetooth Headphone.

Specifications:
* Material: ABS material, hardware, PCB board, and other special materials
* Type: Bluetooth headset with automatic contraction microphone
* Weight: 320g
* Size: 180 * 130mm
* Logo: Customized
* Colors: Green, blue, white, black, red, blue and others (customized)
* Packaging: Hardboard box
* Switch quickly from music to cellphone calls
* Automatic stretch and contraction function mini microphone: When you are calling, it sticks out automatically, while, at the end of the call it will shrink back automatically
* Power source: Rechargeable lithium battery, 800mAh
* Wireless: Bluetooth 4.0 compliant
* Working distance: 10m
* Charging time: 2.0 hours
* Playback time: 20 hours
* With LED light on playback time: 15 hours
* Call duration: 18 hours
* Impedance: 18 ohms
* Frequency response: 20Hz-18kHz
* Net weight: 320g
* Speaker unit: 50mm
* Mic: -62dB
* Dimensions: 180 * 130mm
* Colors: Black, white, red, green, blue
* Headphone could shutdown automatically if it's opened and not connected to any devices lasts for 15 minutes
* Bluetooth music playing and calling function