LC19 1.53 inch 2 in 1 Bluetooth Earphone IP67 Waterproof Smart Watch, Support Sleep Monitoring 1. Chipset: Smart watch: JL7013A Heart rate and blood pressure: HX3602 G-SENSOR: DA267 Headset: Bluetrum BT8926B2 2. ROM: 128MB 3. Watch Speaker: 0916 AAC 8 Ohm0.8W 4. Earphon Speaker: 6mm F6L16x2 5. Bluetooth: 5.0 6. Battery: Watch battery capacity: 701929 3.7V400mAh TWS battery capacity: 400911 3.7V25mAh Charging Method: USB Cable Magnetic suction charge Charging time: About 5H Duration time: Talk for 4 hours Normal use for 10 days standby for 25 days 7. Support operation system calories camera remote-control BT call BT music player time sync call history anti-lost redial sleep monitor steps heart rate Bluetooth headset blood pressure alarm Siri 8. Language: Watch: Simplified Chinese, English, Croatian, Indonesian, Turkish, Finnish, Thai, Vietnamese, Hungarian, Korean, Polish, Italian, Czech, French, Japanese, Dutch, Russian, Portuguese, Spanish, Ukrainian, Malay，German, Persian, Hebrew and Arabic APP: Simplified Chinese, English, Croatian, Indonesian, Turkish, Finnish, Thai, Vietnamese, Hungarian, Korean, Polish, Italian, Czech, French, Japanese, Dutch, Russian, Portuguese, Spanish, Ukrainian, Malay, German, Persian, Hebrew and Arabic 9. Screen size: 1.53 inch IPS 10. Screen resolution: 360x360 11. Waterproof: IP 67