True Wireless earphones for your busy lifestyle. Cords and cables are a thing of the past! Pop your TWS earphones in, and let the world flow around you as you get things done. Each set comes with a convenient charging station so you can keep your earphones charged and ready to go. Features: Tap to Start/Stop Music Hands-Free Calling Long Battery Life Convenient Technical Specs: Size of the Speaker: F10-1CM Frequency response: 20Hz-20KHz Sensitivity: 170db at 1KHz Maximum SPL: 10MW Sensitivity of the microphone: -42dB Power transmitted via Bluetooth 4dBm Bluetooth transmitted modulation: Class2, 4dBm Bluetooth frequency: 2.401-2.480GHz Version of the Bluetooth profile: V5.0+BR+EDR+BLE Charging time: 2 hours Nominal impedance : Speaker 32Ohm Earphones Autonomy 3 hours Box Autonomy 3 hours Earphones battery type 30 mAh Box battery Type Li-ion 300mAh