•Long-Lasting Lithium Battery: 45mAh high active lithium battery for sustainable use. About 3 hours, and standby time is about 80 hours •Binaural HD Call Like Face to Face: Most wireless headsets on the market are unilateral calls, and the call results are poor.5.0 bilateral calls, high-sensitivity microphone environment can be easily talked noisily •One-Button Start SIRI Voice Assistant: One-click call to voice assistant, travel and listen to your instructions freely at any time •Sports maniac Comfortable to wear: Ergonomically fits the ear canal deeply to make the ear more comfortable and prevent fall •Double Noise Reduction Make Your Calls Clearer: Noise reduction technology significantly reduces harmful environmental noise during a call. Provides clean calls, even in noisy environments Specifications: •Product size: 62 x 42 x 27mm •Transmission distance: 10m •Bluetooth-compatible version: Bluetooth-compatible 5.0 •Talking time: 4 hours •Standby time: 80 hours •Music time: 3 hours •Charging time: 1 hour •Headphone capacity: 45mAh •Charging case capacity: 280mAh Package included: •2 x Earphones •1 x Charging Case •1 x English Manual •1 x USB Cable •Other items not included