TECHNICAL SPECIFICATIONS Attachment: buckle over the head DESIGN: In-ear CONNECTOR: USB-C ONLINE DRIVER: Yes COMPATIBLE WITH: Windows or Mac OS PC AUDIO RECEPTION FREQUENCY RESPONSE: Dynamic equalizer optimized for PC broadband and voice telephony up to 6 ,8 kHz or for 20 Hz to 20 KHz multimedia (BW3320 Hi-Fi Stereo / BW3325) SPEAKER SENSIBILITY: 94 dBSPL ± 4 dB SPEAKER IMPEDANCE: 32 ohms SPEAKER SIZE: 32 mm AUDITIVE PROTECTION: SoundGuard: restriction acoustic against sounds above 118 dBA. G616 support limits the level to 102 dBSPL MICROPHONE: Flexible noise-cancelling microphone MICROPHONE FREQUENCY RESPONSE: 100 Hz to 10 kHz optimized for broadband connection to PC audio up to 6.8 kHz MICROPHONE SENSIBILITY: -38 dBV / Pa ± 4 dB Tone ALERTS: Tone notifications to turn on / off sound and maximum volume/minimum MASS: Stereo version: 130 g, including online control, 96 g headphone only Monaural design: 102 g/102 g, including online control, 70 g headphones only LL CONTROL LAMADAS BWI Series 33xx: Answer key / call completion, volume, mute BW33xx-M Series: answer/combined call completion and Microsoft Teams dedicated button, volume, mute