Audio-technica ATH-M50xBT Parametrai: Closed-back dynamic Driver Diameter 45 mm Magnet Rare earth Voice Coil CCAW (Copper-clad aluminum wire) Frequency Response 15 - 28,000 Hz Sensitivity 99 dB/mW Impedance 38 ohms Battery DC3.7 V lithium polymer battery Battery Life Approx. 40 hours continuous use Charging Time Approx. 7 hours (for 0-100% charge) Depending on environmental conditions Weight 310 g (10.9 oz), without cable and connector Bluetooth Version 5.0 Maximum Range Line of sight - approx. 10 m (33') Compatible Bluetooth Profiles A2DP, AVRCP, HFP, HSP Support Codec Qualcomm® aptX, AAC, SBC Accessories Included 1.0' (30 cm) USB charging cable, detachable 3.9'  (1.2 m) cable with 3.5 mm (1/8") gold-plated stereo mini-plug (L-shaped),  protective pouch   250,00 € 190,00 €