1. Display: 1.3 inch full circle IPS, resolution: 240*2402. Polymer lithium battery: 230mAh3. Material: top cover: zinc alloy, bottom cover: plastic4. Use time: 3-5 days5. Standby time: 45 days6. Built-in Bluetooth: dual bluetooth 5.0, 3.07. Charger interface: magnetic type8. System version: android 5.1 or above, IOS 8.0 or above9. SRAM: 160KB10. SFlash (read only memory): 512KB11. UI storage flash: 128MBT12. Music storage: 256M13. Bluetooth distance for connecting earphones: 5-7 meters14. Bluetooth connection distance of mobile phone: 10-15 meters15. Function: bluetooth call, local music playback, music copy storage, connect earphones to play music, step counting, calories, distance, multi-sports mode, sleep monitoring, call reminder, message reminder, sedentary reminder, alarm clock reminder, shake photographing, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, etc.16. APP interface supports languages: Chinese, English, Japanese, Turkish, Spanish, German, Russian, Finnish, Arabic, French, Malay, Indonesian, Korean, Portuguese and other about 20 national languages17. Support language for push notification on bracelet: Chinese, Japanese, Korean, Latin, Cyrillic; Latin includes: (English, French, Spanish, Portuguese, German, Dutch, Vietnamese, Northern Europe, Central Europe, Southern Europe) Italian, Southeast Asia, Africa); Cyrillic includes: (Russian, Eastern Europe, Asia), covering 150 countries18. The bracelet UI supports languages: Chinese, English, Russian, German, French, Italian, Spanish, Portuguese, Vietnamese, Indonesian, Malay, etc.19. Wristband size: width 22mm, body size: 45.5x11mm, weight: net weight 32.8gSpecification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 14cm * 8cm * 4cm / 5.51inch * 3.15inch * 1.57inch Qty per Carton 100 Carton Weight 17.50kgs / 38.58lb Carton Size 40cm * 35cm * 30cm / 15.75inch * 13.78inch * 11.81inch Loading Container 20GP: 634 cartons * 100 pcs = 63400 pcs40HQ: 1473 cartons * 100 pcs = 147300 pcs