Features：1. Elegant and warm, you can connect to Bluetooth to listen to songs.2. Suitable for you who love sports, taking it outdoors can also keep your ears warm.3. Suitable for different seasons: winter and autumn4. Applicable for men and women, applicable to everyone who loves beauty.5. Long-term music playing adds more fun to your outdoor activity time.Specifications:Style: headbandCommunication: wireless + wiredFunction: for video game, common headphone, for mobile phone, sportsConnectors: USBWireless type: BluetoothBluetooth Version：5.0Bluetooth transmission distance: 10 metersHeadphone channel: stereo (2.0)Music playing time: 7h-10hMicrophone Distance: 1mBluetooth standby time: 72HBattery capacity 150 mAhBattery: 0.55WSpeaker impedance: 32ΩSpeaker power: 0.02WFrequency range: 2.4-2.4835 GHzSensitivity: 45dbTransmit Power: 6dBAudio output distortion: 0.6%Signal to Noise Ratio Audio Output: 93dBCharging time: 1-2 hoursMaximum input voltage: DC 5VMaximum input current: 180mahMaximum input power: 0.55WColor: Grey, Pink, White, BlackPackage Included:1 x Bluetooth earphone1 x Instruction Manual1 x charging cable