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)The international generic Micro USB interface to charge the phone line with most phones on the marketSimple and elegant design, rubber spray paint surface treatment, feel fine and comfortableImport sponge ear, comfortable and breathableBasic Information:Battery: 180mA Li-polymer, built in batterySpeaker dimensions: 30mmLoudspeaker output: 30mWBluetooth frequency: 2.402 - 2.480GHzFrequency: 20Hz - 20KHzSensitivity: 123 ±3 dBImpedance: 37 ohm ± 15 percentSignal-To-Noise: ≥ 75dBDistortion: ≤ 1.0 percentInput: DC 5V 500mATalking time: 8hMusic playing time: 7hStandby time: 180hCharging time: About 3hBluetooth class: Bluetooth 4.0 EDRMicrophone: YesMaterial: Plastic Compatibility: HTC, Blackberry, Nokia, Sony Ericsson, iPhone, Samsung, iPad, Motorola, LG Brand: VEGGIEG Usage mode: Hang ear type, Head-mounted Bluetooth version: 4.0 Transmission range: 10 meters Standby time: 6 -10 days Audio: Stereo Color: Blue, Black, White, Red Function: Support music, Voice control Array Package weight: 0.266 kg Product size (L x W x H) : 17.5 x 15 x 3.2 cm / 6.9 x 5.9 x 1.3 inches Package size (L x W x H): 20.5 x 17 x 4 cm Package Contents: 1 x Bluetooth Headset, 1 x USB Charge Cable, 1 x User Manual