X8 1.69 inch Screen Bluetooth Earphone Smart Bracet 1. Support Bluetooth calling, full touch, heart rate, to take pictures, call reminder/reject, information storage, multi-sport mode, weather 2. Main functions: multi-language, information reminder, alarm clock, looking for bracet, health monitoring; exercise record (pedometer, calories, mileage) time, week, date Information reminder SMS, QQ, WeChat, Skype, , , , Line, Viber 3. APP supports 14 languages: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Arabic, Thai 4. Watch language: English, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese, Arabic, Thai, Polish 11 languages 5. Parameters: Bluetooth version: mobile phone Bluetooth 5.0, data storage Bluetooth 4.0 Charging compartment battery capacity: 250mAh polymer lithium battery Headphone battery capacity: 30mAh polymer lithium battery Charging box function: the main body can charge the pair of ears for 2-3 cycles; standby time: 8-12 days, music time: 3.5 hours; charging method: magnetic charging, charging time: 1-2 hours Main chip: SYD8811, TWS chip: 8926B2 (Zhongke Lanxun); heart rate chip: 3300 Screen size: 1.69 inches Screen Resolution: 240x280 Dust and waterproof IP67 Memory: 192KB RAM+1024KB ROM+64MB UI-Flash Control method: touch display Vibration: Real-time vibration reminder Main shl material: gl lens + zinc-aluminum alloy Compatible system: Android 4.4 and above; ios 8.0 and above APP software: Power Band