Key benefits Stable wireless listening: Bluetooth 5.0 provides a reliable connection with up to 10 meters of range, reducing dropouts and keeping your audio in sync with your movement. Longlasting battery: A 400 mAh battery supports up to 12 hours of continuous music playback on a single charge, suitable for daily use and travel without frequent recharging. Flexible connectivity: Works with wireless Bluetooth devices, 3.5 mm wired connections, and TF card playback, giving you multiple ways to listen with one device. Clear, balanced sound: 88 dB signaltonoise ratio and 15 mW output deliver crisp audio with minimal background noise, suitable for music, podcasts, and calls. What this device does for you Reliable wireless option for phones, tablets, and laptops with a stable 5.0 Bluetooth connection and a practical 10 meter range. Versatile use cases in one device thanks to wireless, wired, and TF card playback support. Strong audio performance that stays clean at typical listening levels, helping you enjoy details in music and audio content. Key specifications (aligned with original features) Bluetooth: v5.0 with 10meter range; wireless frequency 2.4022.480 GHz Battery: 400 mAh capacity; up to 12 hours of continuous music playback Connectivity: Wireless Bluetooth, 3.5 mm wired, and TF card music playback Audio quality: 88 dB signaltonoise ratio; 15 mW output Use scenarios Daily commute or workout: pair via Bluetooth to a smartphone, tablet, or laptop for hands listening and calls. Travel or offline listening: switch to TF card playback for music without relying on a connected device, or use the 3.5 mm wired option if Bluetooth is unavailable. Home entertainment: connect to a TV or computer via the 3.5 mm input for enhanced sound during movies, games, or video calls.