Description:Bluetooth-compatible 5.1 chip enables this earphone to achieve high-speed connection and stable transmission with ultra-low delay. Equipped with high-performance large capacity battery, this wireless earphone can achieve long play time.Featuring ergonomic design, this earphone can perfectly fit your ear shape to ensure comfort level.Made of premium ABS material, it is lightweight and durable to use.The length of the product is 9.4cm, the width is 4.6cm, and the height is 3.5cm.It is suitable for all Bluetooth-compatible devices such as mobile phones, tablets and so on.Item Name: Wireless EarphoneMaterial: ABSCharging Case Battery Capacity: Built-in 300mAh Rechargeable Battery (Included) Earphone Battery Capacity: Built-in 50mAh Rechargeable Battery (Included) Features: Ergonomic, HiFi Sound, Long Battery LifeSize Details: 9.4cm x 4.6cm x 3.5cm/3.7" x 1.81" x 1.38" (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 Earphone 1 x Charging Case 1 x User Manual 1 x USB Cable