Sennheiser-Hearing HDB 630

Sennheiser Hearing HDB 630 Bluetooth headphones; with USB-C dongle for high-resolution audio (24 bit, 96 kHz); hybrid adaptive noise cancelling; wireless; over ear; closed; dynamic; Bluetooth 5.2, codecs: SBC, AAC, aptX, aptX HD, aptX adaptive; Bluetooth frequency range: 6 Hz - 22 kHz; frequency range with USB-C dongle: 6 Hz-40 kHz; sound pressure level: 105 dB SPL (1 kHz/ 0 db FS); driver size: 42 mm; Ear pads and headband made of synthetic leather; detachable 1.2 m cable with 3.5 mm mini jack; single-sided cable routing; integrated microphone for calls; battery life: up to 60 hours; charging time: approx. 2 hours; fast charging function: 10 minutes of charging = 7 hours of runtime; charging port: USB-C; App support for Sennheiser Smart Control Plus app (available for iOS & Android), customisable sound modes; content of delivery: Sennheiser HDB 630, BTD 700 USB-C dongle, 1.2 m USB-C charging cable; carrying case, 1.2 m aux audio cable, airplane adapter, user information; weight: 311 g; colour: black