Customizable Touch Controls

Built-in Equalizer

7mm dynamic driver

20 hour battery life

Sennheiser – the name stands for the establishment and development of trends. Its achievements have won numerous international awards: two innovation prizes of German industry, the “ Technical Oscar ’ (The Scientific and Engineering Award), a Grammy and the most significant television prize in the USA, the Emmy Award.

The trailblazing ideas of developers have made Sennheiser products famous throughout the world, and repeatedly met with an enthusiastic response from audio aficionados.

Dimensions:59 x 33.8 x 42.3 mm (earbuds and charging case)

Weight:49g (both earbuds and charging case) 6g (single earbud) 37g (charging case)

Package dimensions:(L x B x H) 170 x 115 x 47 mm

THD, total harmonic distortion:0,08% (1kHz / 94dB)

USB Standard:USB-C

Frequency response (Microphone):100 Hz to 10 kHz

Bluetooth Version:Bluetooth 5.1 compliant

Supported Profiles:A2DP, AVRCP, HSP, HFP

Frequency response:5 - 21,000 Hz

Ear coupling:In-ear, closed acoustics

Charging time:1.5 h for full charge / 10 min for 1 h playtime

Power supply:5 V⎓ 650 mA max

Battery Specification:Built-in Lithium-Ion rechargeable batteries

Codecs:SBC, AAC, aptX™

Battery time:Up to 7 hrs music playtime with earbuds Up to 20 hrs music playtime with charging case

App support:Sennheiser Smart Control App for iOS™ and Android™

Speaker type:Sennheiser 7mm dynamic driver

CX 400BT x 1

Silicone ear adapter sets (in size (XS/S/M/L) x 1

Charging case x 1

USB-C charging cable x 1

Manuals (Safety Guide & Quick Guide) x 1

24 months