BATHYS  Hi-fi bluetooth active noise cancelling headphones With its wireless and active noise reduction (ANC) technologies, Bathys is the perfect travel companion. In addition to isolating ambient noise, it delivers pure high-fidelity sound thanks to its exclusive drivers and integrated USB-DAC mode. Comfortable and refined, these wireless headphones boast a battery life of over 30 hours, fast charging (5 hours of additional listening in just 15 minutes of charging) and a host of features for a total musical escape. ANC technology Silent, Soft or Transparent mode, Active Noise Reduction (ANC) offers a wide range of possibilities for listening without being disturbed by surrounding sounds. A microphone system picks up and analyzes ambient noise to produce an inverse frequency, reducing unwanted background noise: this technology is ideal for enjoying new emotions during your travels. Multiple functions Many features are accessible via the dedicated Focal and Naim app. Control buttons provide easy access to various features: voice assistants Amazon Alexa and Google Assistant, EQ to adjust the sound to your liking while the Mimi Hearing test (Mimi Hearing) lets you adapt, configure the sound of the headphones according to your hearing, so you always get the best possible sound.   SPECIFICATIONS Type Bluetooth closed headphones with active noise reduction Impedance 35 Ohms Sensitivity 105dB SPL / 1 mW @ 1 kHz THD 0,1 % @ 1 kHz / 100 dB SPL Frequency response 15 Hz - 22 kHz Speaker driver 15/8" (40mm) Aluminium/Magnesium ‘M’-shaped dome Weight 350 g / 0.77 lb Cables supplied carrying case included : Yes Carrying case depth : 7 cm / Carrying case height : 24 cm / Carrying case width : 21 cm / Cables provided :• 1 x 4ft (1.2m) Jack 1/8" (3.5mm) cable• 1 x 4ft (1.2m) USB-C® cable Connectivity  Bluetooh version : 5.1 Multipoint Bluetooth Codec : AAC, aptX™, aptX™ Adaptive, SBC Connector :Jack 3.5 mm,USB-C Microphones : 8.0000 Voice assistant : Amazon Alexa, Google Assistant