Main Features: Iconic powerful bass resonance of Bluedio: 57mm ultra-large dynamic drivers， turbine style housing， with the iconic Bluedio surging low-frequency shock， let you feel the bass resonate deep in the chest， enjoying the best sound quality. Clear and transparent bass， mids and treble， fully exposed to all the details of song， you can hear what the artists really want you to hear， Coldplay or Linkin Park concert played in your ear Ultra-long operation and carefree calling from Bluetooth 4.1: With robust high speed CPU of Bluetooth 4.1 operating system， comes with ultra-long using of 40 hours music， 45 hours talk and 1625 hours (approximately 67 days) standby time， the same battery， decrease up to 40% power consumption compare to Bluetooth 4.0. Acoustic echo cancellation and noise reduction effectively reduce ambient noise while talking， make far-end listener cannot hear what you said become history， just like talking face to faceMicro SD card music supported: Support Micro SD / TF card up to 32GB Customized function: Audio Sharing allows you to connect to another H headphone via an audio cable， share music feast with your friends instantly (recommended to use headphones with impedance of 32�� or higher) Simultaneously connect two Bluetooth devices， connects with your phone and tablet seamlessly， listen to music or enjoy foreign blockbusters， do as you think about it Comfortable wearing: Custom fit supra-aural soft earmuffs， artificial protein leather of earmuffs simulated to human skin texture， ensure long lasting comfort in various rugged circumstancesConvenience: Just a plug with audio cable， then listen to your favorite tracks without using any battery， no matter how long is your playlist. H-turbine also incorporate 4 languages voice prompt(Chinese， English， French， Spanish)， to communicate with you in your languageThree Modes Automatically Switch: Bluetooth Mode， FM Mode and SD Card Mode.Brand: BluedioModel : H+ TurbineColor : Black， White， Red， BlueWearing type : HeadbandFunction : Song switching， Bluetooth， Multi connection function， Noise Cancelling， Microphone， Voice control， Answering phoneConnectivity : WirelessConnecting interface : 3.5mm， Micro USBApplication : Portable Media Player， Mobile Phone， ComputerPlug interface: Full-sized， TF card slotDriver unit: 57mmFrequency response : 20~20KHzImpedance : 16ohmsSensitivity : 110 dBPower supply: USB port DC 5VWorking time: Talk time: 45 hours; Music playing time: 40 hoursStandby time: Up to 1625 hoursCharging time: About 2 hoursBluetooth: YesBluetooth version: V4.1Bluetooth distance: W/O obstacles 10mBluetooth band: 2.4GHz-2.48GHzBluetooth protocol: AVRCP， HFP， A2DP， HSPPackage weight: 0.483 kgProduct size (L x W x H) : 16.5 x 17 x 8 cm / 6.48 x 6.68 x 3.14 inchesPackage size (L x W x H) : 21.5 x 20.3 x 9 cm / 8.45 x 7.98 x 3.54 inchesPackage contents: 1 x Earphone， 1 x Audio Cable， 1 x USB Cable， 1 x Bilingual User Manual in English and Chinese