Description:Featuring excellent waterproof and sweatproof performance, this earphone can provide you with nice usage experience.Characterized by half-in-ear design and mini size, this earphone can make you wear comfortably for hours without feeling ear pain.Made of high-quality plastic and metal material, it is firm and durable to use.The length of the product is 6.3cm, the width is 3.2cm, and the height is 2.7cm.It is suitable for all Bluetooth-compatible devices such as mobile phones, tablets and so on.Item Name: Wireless EarphoneMaterial: Plastic, MetalBluetooth-compatible: 5.2Charging Case Battery Capacity: Built-in 300mAh Rechargeable Battery (Included)Earphone Battery Capacity: Built-in 40mAh Rechargeable Battery (Included)Power Input: DC5VBattery Voltage: DC3.2VWorking Hours: 4 HoursCharging Current: 30mAAudio: AAC, SBC Audio Encoding And DecodingSound Film: Graphene Biological DiaphragmSound Unit: Medium 14mmMagnet Type: Chin Iron BoronFrequency Response Range: 20Hz-20KHzFeatures: Ergonomic, HiFi Sound, Long Battery LifeSize Details: 6.3cm x 3.2cm x 2.7cm/2.48" x 1.26" x 1.06" (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 Wireless Earphone2 Pairs of Ear Tip1 x Charging Case1 x User Manual1 x Charging Cable