Please note, this item ships from an international seller. Expected delivery is 10-15 days. Bluetooth 5.0 Single Ear Over Ear Wireless Headphones. Sports Noise Canceling Button Operated Headphones Features: Bluetooth 5.2: F8 headphones use the new Bluetooth 5.2 technology to provide faster pairing and more stable connectivity for your phone, laptop, etc. Large capacity battery: Built-in 90mAh lithium polymer battery, ultra-long battery life, no need to worry about the power during use. Ergonomic ear hook: designed according to the shape of the human ear, with even force, comfortable to wear and not easy to fall off. lossless sound quality: using 13mm high-quality dynamic coil, clear sound, frequency modulation balanced, to provide you with more beautiful sound quality and richer music details. Lightweight design: the headphones are very lightweight and suitable for your favorite sports, such as running, jogging, hiking, climbing, cycling, etc. Product Description: Bluetooth version: 5.2 Sensitivity: 101.7dB±3dB Signal to noise ratio: 95dB Transmission distance: 10-15m Battery capacity: 90mAh Play time: 8 hours Charging time: 1 hour Charging current: 5V1A Included: 1 * Earphone 1 * Charging cable