Description: It is comfortable and firm to wear without falling off because of its ergonomic design. With IPX5 waterproof, you are not afraid of sweating in the gym or running in the rain. What makes the earphone zero delay in the game is its use of high-quality chip. Using LED three-screen smart digital display, it can distinctly display the remaining power. Made of premium ABS material, it is lightweight and comfortable. The length of the charging box is 75mm, the width is 55mm and the height is 30mm. And the length of the earphone is 28mm, the width is 27.5mm and the height is 17.5mm. It is compatible for Android/for Apple. Equipped with a USB interface, the earphone can charge the phone. Item Name: Bluetooth-compatible Earphones Material: ABS Model: T20 Usage: In-ear Bluetooth-compatible Effective Distance: 10 Meters Audio SNR: S/N 鈮 Frequency Response: 50Hz-20000Hz Speaker Unit: 10mm Earphone Battery Capacity: Headset 35mAh (Included) Charging Box Battery Capacity: 1200mAh (Included) Music Time: About 5 Hours Talk Time: About 5 Hours Charging Input Standard: Micro DC5V Output: USB 5V Charging Time: About 1 Hour Channel System: Stereo Waterproof Grade: IPX5 Applicable Type: for Android/for Apple Features: Noise Reduction, Fingerprint Touch, Power Display Size Details: Charging Box Size: 7.5cm x 5.5cm x 3cm/2.95” x 2.17” x 1.18” (Approx.) Earphone Size: 2.8cm x 2.75cm x 1.75cm/1.1” x 1.08” x 0.69” (Approx.) Notes: Due to the light and screen setting difference, the item’s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.