Featuring noise reduction technology, this earphone can effectively reduce noise interference and allow you to enjoy better call quality. This earphone is characterized by high-performance large capacity battery, which enables it to achieve long usage time. Made of high quality ABS material, this product is lightweight and durable to use. The length of the product is 5.6cm, the width is 4.3cm, and the height is 2.1cm. It is suitable for all Bluetooth-compatible devices such as mobile phones, tablets and so on. Item Name: Wireless Earphone Material: ABS Charging Case Battery Capacity: Built-in 300mAh Rechargeable Battery (Included) Earphone Battery Capacity: Built-in 40mAh Rechargeable Battery (Included) Charging Time: About 30 Minutes Talk Time: Approximately 2.5 Hours Playback Time: About 3 Hours Standby Time: About 100 Hours Bluetooth-compatible Version: 5.0 Bluetooth-compatible Range: 8-15 Meters Charging Times of Charging Case: 4-5 Times Control Mode: Earphone: Touch Control, Charging Case: Physical Control Features: Ergonomic, HiFi Sound, Long Battery Life Size Details: 5.6cm x 4.3cm x 2.1cm/2.2" x 1.69" x 0.83" (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 Charging Cable 1 x User Manual