The original go-to headphones for active music lovers are back — and better than ever. Upgraded drivers. Rebalanced acoustics. Improved frequency response. Custom-built 40 mm transducers minimize electronic artifacts, latency, and distortion for extraordinary clarity and range. Personalized Spatial Audio with dynamic head tracking uses built-in gyroscopes and accelerometers to surround you with sound as you move, creating a truly immersive listening experience.¹ The ergonomic design was developed with comfort in mind, starting with how light they are — at just 217 grams, you can almost forget you’re wearing them. The UltraPlush ear cushions are designed for durability and a soft, light touch for all-day comfort. The carefully balanced flex-grip headband, customizable sliders and ergonomically angled ear cups ensure that Beats Solo 4 is comfortable and stays put to deliver sound optimally to your ears. That’s right — up to 50 hours of battery power.³ That’s a lot of reps. Or flights. Or calls. If you’re low on power, Fast Fuel means charging for just 10 minutes gives up to 5 hours of playback.⁴ Listening via the 3.5 mm audio cable doesn’t require any battery power at all — meaning you can enjoy truly endless playback without ever needing to charge. Designed with a built-in Digital Analog Converter (DAC), Beats Solo 4 can deliver high-resolution lossless audio.² Plug in via USB-C or 3.5 mm audio cable when you want to experience more richly detailed texture in your music. Whether you’re on iOS or Android, you can enjoy the same seamless compatibility.⁵ One touch pairing. Automatic pre-pairing across your devices. Find My and Find My Device. Audio sharing⁶ Hey Siri⁷ Beats Solo 4 comes in new premium colors and finishes, including brushed steel hinges. With a compact foldable design and soft protective case, Beats Solo 4 is built to go everywhere you do. Beats Solo 4 has multiple digital beam-forming microphones powered by an advanced voice-learning algorithm for environmental noise suppression. The algorithm was tested in over 7,000 hours of noisy environments to be better able to isolate your voice. Custom acoustic architecture with upgraded drivers to deliver powerful, balanced Beats sound Personalized Spatial Audio with dynamic head tracking immerses you in your music, movies and games, tracking the motion of your head for an interactive surround-sound experience¹ UltraPlush on-ear cushions provide lasting comfort and durability, with exceptional passive noise isolation to block external sound The flex-grip headband and ergonomically angled ear cups provide a comfortable fit with ultimate stability to ensure high-fidelity sound can be delivered optimally to your ears At just 217 grams, the headphones’ ergonomic design is so light you can almost forget they’re on Up to 50 hours of battery life so you can listen longer without needing to recharge³ Fast Fuel means a quick 10-minute charge gives up to 5 hours of playback⁴ Dual compatibility for both iOS and Android enables seamless one-touch pairing, automatic pre-pairing across your devices, and Find My or Find My Device⁵ Exceptional call quality thanks to multiple digital beam-forming microphones powered by an advanced voice-targeting algorithm. Extended range and fewer dropouts thanks to industry-leading Class 1 Bluetooth® High-resolution lossless audio via USB-C or 3.5 mm audio cable.² Listening via 3.5 mm audio cable requires zero battery power. Beats Solo 4 headphones Carrying case USB-C to USB-C cable for charging and audio 3.5 mm analog audio cable Quick Start Guide Warranty Card (USB-C power adaptor sold separately) Height: 2.7 in./6.8 cm Length: 6.9 in./17.7 cm Width: 6.2 in./15.8 cm Weight: 7.65 oz./217 g Other Features: Bluetooth, Wireless Form Factor: On Ear Connections: Bluetooth, Wireless Bluetooth Compatibility: Bluetooth 5.3 Power Source: Battery Batteries: Rechargeable lithium-ion Connectivity: Class 1 Wireless Bluetooth® USB-C audio 3.5 mm analog input for wired audio sources Battery: Beats Solo 4 (single charge): up to 50 hours of listening time³ Fast Fuel: a 10-minute charge provides up to 5 hours of playback⁴ On-device controls: ‘b’ button for music and call controls Volume up/down rocker Multi-function button for power and pairing Packaging: Beats Solo 4 packaging is made from 100% fiber, sourced from sustainably managed forests⁸ UPC or EAN No.: 195949121920