Marshall Mode II True Wireless In-Ear Headphone - Bluetooth 5.1, up to 5 h running time/ 25 h with charging case, up to 10 m bluetooth range, water-resistant earbuds PX5, splashed water-resistant charging case IPX4, frequency response 20 - 20000 Hz, SPL 100,5 dB (179 mV @ 1 kHz), impedance 16 Ohms, 6 mm drivers, incl. charging case, cable and ear tips (S/M/L/XL)