Description:    Item Name: Bluetooth Earphone    Material: Electroplating, ABS    Model: EX-01    Bluetooth version: Bluetooth 5.0    Frequency: 2.4~2.48G Hz    Transmission Distance: Up to 10m    Communication Protocol: HFP, HSP, A2PDP, AVRCP    Frequency Response: 2.4GHz    Microphone Sensitivity: -45dB    Power: Built-in Rechargeable Battery (Included)    Charging Voltage: 5V    Earphone Battery Capacity: 150mAh    Charging Time: 2 Hours    Call Time: 6 Hours    Playing Time: 6 Hours    Standby Time: 160 Hours    Features: Ear Hook, Handsfree, with Volume Control     Size: 10.4cm x 3cm/4.09" x 1.18" (Approx.)    Specifications:    This earphone can be connected by two Bluetooth 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.    Package Included:    1*Headphone    1*Earhook    1*Cable    1*Manual