The earphone is lightweight and waterproof, which can bring you comfortable wearing experience. The earphone adopts Bluetooth-compatible5.0 technology, bringing you noise-cancelling and clear sound effect. Made of ABS material, the wireless earphone is eco-friendly, lightweight and durable to use. The length of the wireless earphone is 5.4cm. The wireless earphone is suitable for doing sports, hands-free calling, listening to music and so on. Item Name: Bluetooth-compatible Earphone Material: ABS Model: E1 Color: Red, Pink, Pastoral Black Blue, Beige Blue Bluetooth-compatible Version: 5.0 Earphone: 230mAh(Included) Listening and Talking: about 20H Charging Time: about 1.5H Frequency: 40Hz-20KHz Impedance: 32 Sensitivity: 85dB/mW Waterproof Level: IPX5 Features: Quick Response, Comfortable, Lossless Size Details: Length: 5.4cm/2.13" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Bluetooth-compatible Earphone 1 x Charging Cable 1 x User Manual