Description: 100% brand new high quality 1.High Fidelity Sound: Intelligent noise reduction,Ensures maximum signal quality, and guarantees excellent sound quality. 2. Fast pairing in seconds, Bluetooth 5.0, automatic seconds, with headphones can be used. 3.Ultralight and comfortable design, ergonomically-shaped in-ear buds and ear loops brings comfortable and no heavy feeling even after long time wearing, the 180 degree flip boom arm turns around the corner and fit this headset in right or left ear. 4.Compatible with 99% of Bluetooth-enabled devices (such as mobile phones, tablets).up to 4hrs working time ， 70hrs stand-by with 1hrs quick charge, 10 meters feet range.，used for a long time and the machine is not hot. 5.Allows you to conveniently answer calls while driving，Low battery will remind Specifications: Bluetooth version: version 5.0 Bluetooth distance: about 10 meters Standby time: 70 hours Listening to songs, talk time: about 4 hours Charging time: about 1 hour Battery type: Lithium polymer battery Battery capacity: 90MAH Support agreement HEP\HSP\A2D\AVRCP Material: ABS+plating+food silicone ear caps Frequency: 20Hz-20KHz Impedance: 32Ω Sensitivity: 85dB/mW Waterproof rating: IPX 5 Package Included: 1*earphone 1*charging cable 1*manual 1*ear cap 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.