K20 1.14 inch Leather Band Earphone Detachable Life Waterproof Smart Watch Support Bluetooth Call 1. Support APP synchronization, answering calls, rejecting calls with touch, call records, frequent contacts, active dialing, voice assistant, voice wake-up, touch-activated voice assistant, heart rate, blood pressure, blood oxygen, multi-sport mode, continuous heart rate , find mobile phone, message reminder, message storage, time synchronization, music playback, remote control camera, drinking water monitoring, sedentary monitoring, sleep monitoring, pedometer, search bracelet, alarm clock setting, stopwatch, screen brightness setting, dial Settings, raise your hand to turn on the screen 2. App supports languages: Chinese, English, German, Spanish, French, Japanese, Portuguese, Russian, Traditional Chinese, Ukrainian, Dutch 3. Wristband display language: Chinese and English 4. CPU: Nordic 52832+ AB5386 (BT5.0), RAM: 512M 5. Display: 1.14 inches IPS 135x240 6. Battery: 3.7V110mAh 7. Standby time: 10 days 8. Continuous talk time: 6 hours 9. Music playing time: 6 hours 10. Waterproof level: life waterproof 11. Bluetooth: BT4.25.0 (dual Bluetooth module ultra-low power consumption) 12. Touch button: full screen touch 13. Earphone type: Half-in earphone