a description The seller of this product is not affiliated with any Bluetooth branded entity or service and does not operate under the sponsorship or license of any Bluetooth company....More Feature: Basics, LED power display, touch control, LED display, with microphone, volume control Connector: 3.5mm Wireless version: 5 Driver unit: 5mm Ear pairing style: earbuds Impedance range: up to 32 Ω Sound production principle: dynamic drive Noise cancellation: sound isolation Colour: black Type: In ear Material: Plastic Power supply: USB power cable Battery type: UN 3480