Stainless steel telescopic earcups with noise cancellation, Bluetooth 4.1, protein leather over-ear headphones, suitable for mobile phones and computers (metallic black).

🔇 ANC Active Noise Cancellation Chip: Built-in noise-canceling microphone captures ambient noise in real time and generates inverse sound waves to cancel out background noise. One-button on/off noise cancellation mode allows you to escape commuting and office noise and enjoy pure audio.

📶 CSR4.1 Bluetooth Stable Transmission Chip: 10-meter unobstructed connection, supports simultaneous connection to two devices, low power consumption, does not interfere with 4G signals, and ensures smooth, lag-free switching between music and calls.

🪜 Stainless Steel Telescopic Reinforced Headband: Built-in invisible steel headband, tested for 10,000 stretches, not easy to break, multi-level telescopic adjustment, suitable for various head shapes of children and adults.

☁️ High-Elasticity Imitation Protein Leather Full-Coverage Earcups: 360° soft and comfortable earcups, delicate to the touch, wear-resistant and skin-friendly, preventing ear pressure and discomfort even when wearing glasses, breathable and sweat-proof, suitable for long-term wear.

🎛️ Four physical blind operation buttons on the right side: Independent button areas control track skipping, volume adjustment, play/pause, answering/making calls, and one-click toggling of active noise cancellation, allowing operation without taking out the phone.

🔋 450mAh high-capacity long-lasting battery: Charges via Micro USB port, providing extended music playback and talk time; automatically shuts off after 5 minutes of inactivity and no Bluetooth connection, minimizing power consumption.

🎒 Foldable and portable design: The earcups fold inwards for easy storage and carrying.

⚖️ Lightweight design of 247g: The lightweight design reduces head pressure during extended wear, balancing portability and structural stability for ultimate comfort during shopping, commuting, and business trips.