Description:10m Transmission: This headphone applies Bluetooth-compatible 5.0 upgrade chip, with more stable transmission and convenient connection, lower power consumption, and stronger performance.Multi Functions: This headset provides deep bass, supports stereo music playback, support memory card inserts, good chioce for listening to music, watching movies, surfing the internet, playing games, etc.Comortable Wear: The headphones design fits the human auricle, more comfortable and stable to wear, one button type, easy to operate.Foldable: With folded design for this headphone, allowing you to fold it conveniently when not in use or carry it.Easy and Practical: You can fully control music, volume, call and voice assistant settings by this headset, as well as support all audio devices with Bluetooth-compatible function, such as mobile phones, tablets, laptops, computers, etc.Specification:Color: Red, black.Bluetooth-compatible version: 5.0.Power level: Class II.Connection technology: wireless.Earphone type: headphone type.Driver diameter: 40mm.Transmission distance: 10M/33ft (360 °).Speaker sensitivity: 115dB ± 33dB.Frequency range: 20Hz-20KHz.Speaker impedance: 32Ω± 15%.Microphone sensitivity: -42 ± 33dB.Microphone direction: single sided.Battery capacity: 400mah.Talk time: about 15-20 hours.Music time: about 15-20 hours.Standby time: about 120 hours.Charging time: about 3 hours.Working time: about 20 hours(70% volume).Note:There might be a few color distortions due to different computer resolutions.There might be a slight error due to different hand measurements.Package Includes:1 Pieces Headphone(with 1 Piece USB Charging Cable, 1 Piece Audio Cable, 1 Piece User Manual).