1. Smart sleep, save energy without power consumption. 2. Built-in pen slot, storage does not affect charging. 3. Built-in large-capacity battery, long battery life. 4. Adopt dual-core processor, stable Bluetooth connection, up to 120Hz touch sampling rate, make the operation smoother and more sensitive, support various multi-point painstaking and quick gestures, no need to frequently raise your hand to touch the screen. 5. Parameters: Bluetooth version: 3.0 Effective operating range: within 10 meters Modulation: GFSK Input voltage: 5V Input current: 2A Charging time: 2.5 hours Standby time: more than 180 days Lithium battery capacity: 180mAh Working time: more than 120 hours
