Specifications:Magnetic ear buds to fit you well and prevent loss.Soft ear tips not only comfortable but also not easy to fall out from ears.Build-in bluetooth-compatible chipset, stable and high speed data transmission, high music performance.Also suitable for running, yoga, gym and other fitness exercises.Item Name: bluetooth-compatible EarphonesMaterial: TPE, PlasticBluetooth Version: bluetooth-compatible V4.1Wireless Transmission Range: Battery Capacity: 60mA Battery (Included)Music Time: 6 HoursImpedance: 32 OhmSensitivity: 98dB +/- 3dBFeatures: In-Ear, Magnetic Adsorption, Stereo SoundNote: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Package Includes:1 x bluetooth-compatible Earphones1 x Charge Cable1 x User Manual