Product Description: Stylish sports headphones with a headband, also useful as sports headphones, so you can go straight from sleep to the gym or track without changing. They are very lightweight, perfect for travel and ideal for running, yoga, and other sports. Made from extremely soft and hypoallergenic materials, the upgraded design features breathable mesh and more durable braided cables, keeping your head dry and cool while ensuring excellent performance as sports headphones and effectively wicking away sweat. The ultra-thin on-ear design, with soft foam covering the headphones less than ¼ inch thick, provides a comfortable wearing experience regardless of sleeping position or ear shape, making them perfect for side sleepers. Washable Bluetooth headphones; the headphones themselves are washable, just remove the speakers to clean the headband. Product Features: 100% Brand New Color: Black Function Overview Connect the micro USB port to the headphones and then connect the USB cable to the computer. The LED light will be red; when it is blue, the Bluetooth headphones/cover are fully charged. Disconnect the cable. Power On Press the power button for 2-3 seconds. The LED light on the Bluetooth headset will flash red and blue alternately. Power Off With the headset powered on, press the power button for 2-3 seconds. The red LED light will flash 3 times and then turn off, indicating that the Bluetooth headset is powered off. Bluetooth Connection Instructions: Power On and Bluetooth Connection 1. Press the power button for 2-3 seconds. The LED light will flash red and blue alternately. Turn on your phone's Bluetooth and search for the Bluetooth name \"BT-03S\" to pair. If pairing is successful, the blue LED light will flash slowly. If you are prompted for a password, it will be \"0000\". Automatic Pairing 2. After the first successful pairing, the headset and phone will automatically connect the next time you call each other via Bluetooth; no new search or reconnection is required. Pause and Play 3. When playing music, press the power button once to pause the music and press it again to play it. When receiving a call, press the power button once to answer the call. During a call, press the power button once to hang up. When connected to a mobile phone, double-click the power button to redial the call. 4. Long press the volume down button \"-\" to decrease the volume; short press the volume down button \"-\" to skip to the previous track. 5. Long press the volume up button \"+\" to increase the volume; short press the volume up button \"+\" to skip to the next track. Bluetooth Cap Technical Specifications: Bluetooth version: 5.0 Bluetooth transmission distance: 10 meters Headphone channels: Stereo (2.0) Music playback time: 7 hours at maximum volume, 10 hours at medium volume Microphone distance: 1 meter Bluetooth standby time: 72 hours Battery capacity: 150mAh Battery power: 0.55W Speaker impedance: 32 ohms Speaker power: 0.02W Frequency range: 2.4-2.4835GHz Charging time: 1-2 hours Maximum input voltage: DC 5V Maximum input current: 150mAh Maximum input power: 0.55W