InEar BT-031, Battery-powered Bluetooth transmitter / receiver, Ideal for home use, Multiple connections with up to 2 devices simultaneously, Bluetooth v5.0, Battery power: 9 hours transmission / 8 hours reception, Charging time: 2 hours (even during operation): 5C / DC 300 mA, Incl. micro USB charging cable, 10 cm mini jack cable and removable belt clip, Dimensions: 44 x 44 x 19 mm, Colour: Black, Suitable power supply: Art.#373709# (not included)@+*Note:* Due to Bluetooth latency not suitable for live applications!