This earphone uses drop-shaped design, which fits snugly against the auricle and will not cause pain to ears after long-time wearing.This earphone features Bluetooth-compatible5.1 chip and large moving coil, bringing you stable transmission as well as HiFi, pure and powerful sound effect.It is constructed of ABS material. This earphone features touch control and automatic pairing, which is easy and convenient to use.The length of the charging box is 6.5cm, width is 3cm and thickness is 2cm.This wireless earphone is suitable for running, driving, listening to music, doing sports, calling and so on.Item Name: Wireless EarphoneMaterial: ABSModel: S9Bluetooth-compatible: 5.1Earphone Battery Capacity: 50mAh(Included)Charging Box Battery Capacity: 300mAh(Included)Working Hours: 36HStandby Time: 48HOperation Mode: TouchWaterproof Grade: IPX7Noise Reduction: ActiveEarphone Type: On EarWaterproof: YesPlayback Control: YesMicrophone: YesFeatures: Stereo, CVC8.0 Noise Cancelling, Automatic PairingSize Details: 6.5cm x 3cm x 2cm/2.56" x 1.18" x 0.79" (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:2 x Wireless Earphones1 x USB Cable1 x Charging Box1 x User Manual