Description:Characterized by Bluetooth-compatible 5.2 chip, this earphone can achieve stable connection, strong anti-interference ability, low power consumption and ultra low latency.Featuring high clarity LED digital display design, this earphone can allow you to know the battery state in real time.Made of high quality ABS material, this product is lightweight and durable to use.The length of the product is 8cm, the width is 4.5cm, and the height is 2.8cm.It is suitable for all Bluetooth-compatible devices such as mobile phones, tablets and so on.Item Name: Wireless EarphoneMaterial: ABSProduct Model: M31Bluetooth-compatible Version: V5.2Battery Capacity: 2000mAh(Included)Total Battery Life: About 180 HoursStandby Time: About 120 HoursImpedance: 32ΩRated Input: 5VSpeaker Size: 8mmFrequency Response: 20Hz-20KHzTransmission Distance: About 20 MetersCharging Interface: Type-C InterfaceOperation Mode: Intelligent Touch ControlNoise Reduction Version: CVC8.0Features: Noise Reduction, Call Function, Music SupportSize Details: 8cm x 4.5cm x 2.8cm/3.15" x 1.77" x 1.1" (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 Earphone1 x Charging Case1 x Charging Cable1 x User Manual