Product Description Item Name: Earphone S03 Material: ABS BT-compatible Version: 5.2 Transmission Distance: 10 Meters Music Time: 120 Hours Talk Time: 150 Hours Charging Time: 1-2 Hours Charging Compartment Battery: 2200mAh (Included) Frequency Response Range: 20Hz-20000Hz Waterproof: IPX5 Features: Noise Reduction, Portable, Long Endurance Size Details: 7.8cm x 4cm x 5.2cm/3.07" x 1.57" x 2.05" (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. Package Includes: 1 Pair of Earphones 1 x Charging Compartment 1 x Charging Cable 1 x User Manual