Product parameters: Screen size: 1.53 inch IPS Waterproof rating: IP67 Bluetooth version: BT 5.0 Battery capacity: 400mAh Charging time: About 3 hours Charging method: USB Cable Magnetic suction charge Battery life: Talk for 4 hours/Normal use for 10 days/standby for 25 days Supporting system: Android 5.1 or iOS 8.2 or above supports Wireless 5.0BLE system Watch Functions: Bluetooth calls, voice assistant, alarm clock, incoming call reminder, Music playback, Sports business appearance, metal craftsmanship, TPU high-end high-end sports style watch strap, watch comes with music storage, full circle full touch+mechanical button operation dual operation, encoder knob, 3 sets of UI style, BLE5.0 version, 400mAh large capacity battery, strong endurance standby for more than 25 days. External playback with powerful sound effects for up to 4 hours (maximum volume). The smart bracelet has 24-hour accurate detection of heart rate, blood pressure monitoring, blood oxygen monitoring, exercise monitoring, mileage, calorie consumption, sleep recording, message reminders, remote control photography, massive free dial downloads, and DIY dial making. TWS Features: Fully in ear wearing, painless and comfortable. Perfect sound quality, handle design, bidirectional noise reduction, clearer communication, using stable Zhongke Lanxun (BT8926B2) high-quality and stable dual transmitter without distinction between master and slave, super strong signal Bluetooth signal can reach 25 meters in open areas, wall penetration can reach 15 meters, built-in 5.0 dual Bluetooth, HIFI 9D sound quality, touch sensor, AI voice SIRI wake-up. Earphones can be stored in the watch compartment for instant charging, and can be used as needed. They are easy to store in the watch compartment and can be stored in the watch for instant charging. Language: Watch languages: Simplified Chinese, English, Croatian, Indonesian, Turkish, Finnish, Thai, Vietnamese, Hungarian, Korean, Polish, Italian, Czech, French, Japanese, Dutch, Russian, Portuguese, Spanish, Ukrainian, Malay APP languages: Simplified Chinese, English, Croatian, Indonesian, Turkish, Finnish, Thai, Vietnamese, Hungarian, Korean, Polish, Italian, Czech, French, Japanese, Dutch, Russian, Portuguese, Spanish, Ukrainian, Malay, etc