Product type: wireless bluetooth-compatible headset Product color: piano black, pearl white, rose gold, Tianhe blue bluetooth-compatible chip: V5.0 Operating range: within 10 meters Battery capacity: 45mah Talk time: about 4 hours for listening to songs, about 5 hours for talking Charging time: less than 2 hours Product features: intelligent noise reduction, caller ID, music pause/play, tail number redial Applicable products: all mobile phones, tablets, notebooks, computers that can connect to bluetooth-compatible Specifications: Features: 1.A short distance wireless communication device letting you listen to music and easily receive calls while driving, traveling, or in working at the office. 2.The earphone can receive calls by pressing the key and communicate via a secure channel. 3.Control volume or switch tracks with a press of a button! 4.High Fidelity Sound: Intelligent noise reduction,Ensures maximum signal quality, and guarantees excellent sound quality. 5. Quick pairing, bluetooth-compatible 5.0, automatic seconds Package Included: 1*earphone 1*charging cable Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.