Earphones Made of Natural Stone Extracts in Combination with Resistant Abs. with Bluetooth® 5.3 Connection & Integrated Lithium Battery, 30 Mah in Each Earpiece. Ergonomically Designed, with Touch Control Button on the Earpiece & Hands-free Function. 250 Mah Capacity Base & LED Charge Status Indicator, with Type C Charger Cable Included. Presented in an Individual Kraft Design Box, with Instruction Manual in English & Spanish. Made From Natural Stone Extracts, Helping to Reduce the Use of Plastics, as Well as Providing a Smooth & Resistant Finish. The Capacities Shown in All Our External Auxiliary Batteries Are Real, All of Them Incorporating Non-recycled, Grade a Batteries, with a Service Life of at Least 500 Charger Cycles, & Complying with Ce Regulations. In Addition, They Are Manufactured According Rohs Standards, & in Compliance with the Following Safety Requirements: Power Bank Overcharge Protection System. Complete Discharge Protection System, Which Increases the Durability of the Power Bank. Blocking System to Prevent Short Circuits. Constant Charger Transfer System, in Accordance with the Capacity of the Target Device. Bluetooth Connection. Battery 30 Mah & Charger Station 250 Mah. Colours: White. Minimum Quantity: 10.