Kruger &Matz wireless over-ear headphones model Wave 2

Speaker diameter: 40 mm Magnet: neodymium Coil: 40 mm Frequency response: 20 Hz- 20 kHz Impedance: 32 Ohm +/- 15% S/N ratio: 95 dB SPL: -10 dB THD: 0.3% Sensitivity: 115 ± 3dB Nominal input power: 20 mW Maximum input power: 30 mW Bluetooth: 5.0 + EDR Bluetooth range: up to 10 m Bluetooth profiles: A2DP, AVCTP, AVRDTP, AVRCP, HFP, SPP Built-in microphone: yes Microphone sensitivity: -38 dB ± 3 dB Microphone S/N ratio: 58 dB Standby time: up to 300 h Music playback time: up to 4 h Talk time: up to 4 h Battery capacity: 200 mAh Power supply: 5 V Ports: AUX-in (3.5 mm), micro USB (charging), micro SD Weight: 138 g Dimensions: 170 x 175 x 40 mm Audio cable: 100 cm USB cable: 60 cm Included: audio cable, USB cable