This earphone can be connected by two bluetooth-compatible devices at the same time.It supports for Android and for IOS mobile phones.Hands-free function can make you answer a call or listen music freely when driving, joining outdoor activities, doing housework and excise.Intuitive controls that not just feel right to the touch, but also perfectly placed right where your fingers would instinctively expect them to be.Item Name: Bluetooth EarphoneMaterial: Electroplating, ABSModel: EX-01Bluetooth version: bluetooth-compatible 5.0Frequency: 2.4~2.48G HzTransmission Distance: Up to 10mCommunication Protocol: HFP, HSP, A2PDP, AVRCPFrequency Response: 2.4GHzMicrophone Sensitivity: -45dBPower: Built-in Rechargeable Battery (Included)Charging Voltage: 5VEarphone Battery Capacity: 150mAhCharging Time: 2 HoursCall Time: 6 HoursPlaying Time: 6 HoursStandby Time: 160 HoursFeatures: Ear Hook, Handsfree, with Volume Control  Size: 10.4cm x 3cm/4.09" x 1.18" (Approx.) Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x bluetooth-compatible Earphone2 x Ear Hooks 1 x USB Cable1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.