Description:This foldable wireless Bluetooth stereo headphone supports multi-point pairing function with built-in microphone, lets you listen to music or make phone calls wirelessly. With stereo, high quality speakers delivering crisp and rich sound, give you a superior audio experience. And also good compatibility with smartphones and Tablet PC with Bluetooth function. Main Features:Bluetooth 4.0 EDR, data transfer rates more compatible with better stability, lower low-power, battery power and longer lifeSupport HSP, HFP, A2DP and AVRCP specificationDual channel stereo Bluetooth headset that can play high-quality loss-less music, reaching deep low-frequency, intermediate frequency rounded, clear and thorough high-frequency effectsSupport for hands-free calling feature: Short press the multifunction button to answer the callingSupport for last number redial feature: The double-click multifunction button, only the number of the last can make call-back call, convenient and quickCan connect two phones at the same time (a headset can be connected to two phones at the same time, achieve a drag two functions)Line in function to play music and make calls: When the battery without electricity or in the case of Bluetooth headset is turned off, plug line-in cable and then you can listen to music and answer the phone call, one headset has two functions at a super low priceThe first world headphones brushed metal casing, super texture, not easy to fadeProtein leather ear, soft and comfortable, absorbent deodorant, intimate contact with the skin does not hurtThe international generic Micro USB interface to charge the phone line with most phones on the marketHigh capacity battery, no need to worry about the power while listening to musicBasic Information:Battery: 400mA Li-polymer, built in batterySpeaker dimensions: 40mmLoudspeaker output: 30mWBluetooth frequency: 2.402 - 2.480GHzFrequency: 20Hz - 20KHzSensitivity: 123 ±3 dBImpedance: 29 ohm ± 15 percentSignal-To-Noise: ≥ 50dBDistortion: ≤ 1.0 percentInput: DC 5V 500mATalking time: 18hMusic playing time: 15hStandby time: 400hCharging time: About 3hBluetooth class: Bluetooth 4.0 EDRMicrophone: YesMaterial: Plastic Compatibility: Blackberry, HTC, Nokia, LG, Motorola, Samsung, iPhone, Sony Ericsson, iPad Brand: VEGGIEG Usage mode: Hands-free, Head-mounted, Hang ear type Bluetooth version: 4.0 Transmission range: 10 meters Standby time: 15-20 days Audio: Stereo Color: Black, Gold, Gray Function: Support music, Multipoint connection Array Package weight: 0.420 kg Product size (L x W x H) : 18 x 17 x 6 cm / 7.1 x 6.7 x 2.4 inches Package size (L x W x H): 23.5 x 20 x 6 cm Package Contents: 1 x Bluetooth Headset, 1 x USB Charge Cable, 1 x 3.5mm Audio Cable, 1 x User Manual