Description: Characterized by thick and heavy bass features, the headset that adopts graphene diaphragm makes the sound more delicate and clearer. The headset is equipped with a 2200mAh charging compartment, which can be used for a long time. The advantage is it is available to in taking out any one of headset to connect to Bluetooth-compatible. It is constructed of ABS material. The length of the charging case is 7.8 cm, the width is 4 cm and the height is 5.2 cm. It is applicable for Android, for iPhone, and for digital devices with Bluetooth-compatible. Item Name: Earphone Material: ABS Bluetooth-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