1. 57mm ultra-large dynamic drive unit, turbo shell, and the iconic surging low frequency shock, allowing you to feel the bass reverberate deep in your chest and enjoy the best sound quality. Clear bass, mids and highs, revealing all the details of the song, you can hear what the artist really wants you to hear, a Coldplay or Linkin Park concert playing in your ears2. Bluetooth 5.0 ultra-long battery life, worry-free calls: Bluetooth 5.0 operating system powerful high-speed CPU, ultra-long battery life of 40 hours of music, 45 hours of calls, 1625 hours (about 67 days) standby, the same battery, compared with Bluetooth 4.0 , reducing power consumption by up to 40%. Echo cancellation and noise reduction functions effectively reduce ambient noise during calls, so that far-end listeners can't hear what you say is a thing of the past, just like face-to-face conversations3. Custom function: Audio sharing allows you to connect another H headset through an audio cable to instantly share a music feast with friends (recommended to use a headset with an impedance of 32 or higher) Connect two Bluetooth devices at the same time, connect mobile phones and tablets seamlessly Connect, listen to music or watch foreign blockbusters, think what you want4. Simulates the texture of human skin, the hard-polished plastic shell is durable, delicate and silky to the touch, will not be contaminated with any dust particles in normal use, and always maintains a bright feeling, allowing you to imagine a musical feast5. Comfortable to wear: Custom-fit earmuff-type soft earmuffs, earmuffs artificial protein leather simulates human skin texture to ensure long-lasting comfort in various harsh environments6. Multiple functions: You can also use the memory card for music playback, which is easy to use.7. CONVENIENT: Just one plug with audio cable (*sold separately), then you can listen to your favorite tracks without using any batteries, no matter how long your playlist is.Specification:Model : H-TurbineWearing type: headbandFunction: voice control, answering calls, song switching, bluetooth, multi-connection function, noise reduction, microphoneConnectivity: WirelessConnection interface: USBApplication: MobileColors: White and Gold, White and Rose Gold, Red, BlackPlug Interface: Full SizeDrive unit: 57mmFrequency response: 20~20KHzImpedance: 16ohmsSensitivity: 110dBPower supply: USB port DC 5VWorking time: Talking time: Working time: Talking time: 2-3 hours; Music playing time: 2-3 hoursStandby time: up to 3 hoursCharging time: about 2 hoursBluetooth: yesBluetooth version: V5.0Bluetooth distance: 10m without obstaclesBluetooth frequency band: 2.4GHz-2.48GHzBluetooth protocols: HSP, HFP, A2DP, AVRCPPackage Contents:1 headset1 x USB charging cable1 x Instructions (on the box)