Audio-Technica ATH-TWX9, True Wireless In-Ear Headphones, With active noise cancelling and ambience, Bluetooth 5.2, Codecs: aptX, aptX Audio, AAC, SBC, Bluetooth range: approx. 10m, Frequency range 10 - 40,000 Hz, Impedance: 16 Ohm, Sound pressure level: 102 dB/mW, Driver size: 5.8 mm, Battery life headphones: max. 6 hours, Charging time headphones: 2.5 hours, Battery life charging box: max. 12.5 hours., Charging time charging box: approx. 3.5 hours (USB), approx. 5 hours (wireless charging), Protection class IPX4, Weight headphones: 5.4 g each, Weight of charging case: 55.9 g, Includes charging case, USB charging cable (30 cm, USB-A to USB-C) and Ear Tips short (XS, S, M, L), standard (XS, S, M, L), long (XS, S, M, L)
