Instant purchase OK Brand: CMF BY NOTHING Color: Light Gray Headphones Type: In-Ear Connectivity Technology: Wireless Wireless Communication Technology: Bluetooth All accessories are included. The box is slightly crushed. Operation was comfortable, used with iPhone and Android tablets. The exterior has no noticeable scratches, but as this is a used item, please refrain from purchasing if you are concerned about minor imperfections. The following is a product description: Ultimate ANC Experience: CMF BUDS blocks noise with 42 dB noise cancellation and a frequency range of up to 2900 Hz. External HD microphones detect ambient noise, and an internal processor generates and emits out-of-phase sound waves to eliminate it from the speakers. It also supports Transparency Mode. Bringing Every Beat to Life: CMF BUDS enhances sound quality with Ultra Bass Technology 2.0 and delivers immersive sound professionally tuned by Dirac Opteo. Experience a vast soundscape with deep bass, balanced mid-range, and elegant highs from a single earphone. More Music, Less Charging: The earphones themselves have a large 45 mAh battery. Up to 8 hours of continuous music playback on a single charge. 35.5 hours of playback with the case. Clear Voice: Equipped with four HD microphones and Clear Voice Technology, CMF BUDS isolates background noise in real-time, enabling calls as clear as face-to-face conversations. Trained with over 30 million noise models, such as on street corners and crowded transportation, to keep the focus on your voice. Nothing X App: Connect to the Nothing X app to fully enjoy CMF BUDS. You can adjust the Ultra Bass level, customize touch controls, and switch ANC levels. Turning on Low Latency Mode reduces lag when gaming on your smartphone. It automatically turns on when entering Game Mode on Nothing smartphones.