1 year warranty. Pure bass HF sound true wireless stereo. Tap function. Universal fit earbuds. Hands-free stereo calls. Intelligent induction. Smart voice assistant. 6 hours working time. Bluetooth version: 5.3. Bluetooth rang: ≥10m. Earbud battery: 35mAh. Charging case battery: 220mAh. Input current: 200mA. Standby ti