Compromise on your audio experience No way! Put sound first, like Sennheiser does. We have put our 75 years of leading audio technology into the new CX True wireless earbuds. They deliver crystal-clear sound with deep bass you can easily adjust to your personal taste. With an ergonomic design for superb wearing comfort and intuitive controls for maximum ease of use, you’ll have a first-rate listening experience at home, at work or on the move. Sennheiser Headphones Features: Weight: 49g (both earbuds and charging case) 6g (single earbud) 37g (charging case) Power supply: 5 V- 600 mA max Speaker type: True response transducer Sennheiser 7 mm dynamic driver USB Standard: USB-C Frequency response (Microphone): 100 Hz to 10 kHz Frequency response (Headphones): 5 hz - 21,000 Hz Microphone: 2 mic beamforming arrays (4 mics in total) Supported Profiles: A2DP, AVRCP, HFP Ear coupling: In-ear, closed acoustics Charging time: 1.5 h for full charge/15 min for 1 h playtime Battery Specification: Built-in lithium ion rechargeable batteries L/R Earbud: ~60 mAh Charging case: ~400 mAh Bluetooth: Bluetooth 5.2 compatible class 1, BLE Codecs: SBC, AAC, aptX™ Equalizer: EQ pre-set via smart control app Bass boost: Via smart control app Battery time: Up to 9 hrs music playtime with earbuds Up to 27 hrs music playtime with charging case Noise cancellation: Passive noise cancellation App support: Sennheiser smart control app for iOS™ and android™ Included in the box: CX true wireless earbuds, Silicone ear adapter sets (XS, S, M, L), charging case, USB-C cable Product Dimensions approx. 59 x 33.8 x 42.3 mm (2¼ x 1¼ x 1½ in) 4.49 5 RD Delivery will be by Royal Mail. They will not contact you prior to delivery. D False Sound 5.99 5.99 Sennheiser CX True Wireless Earbuds Black | Kaleidoscope