E66

Parameters

1. Screen: 1.28" round full-touch display, 240x240 resolution
2. Battery: 470mAh (watch), 35mAh (earbuds), 7 days usage, 15 days standby
3. Chipset: IS2806 BLE 5.0 (watch), Bluetrum5656A2 (earbuds)
4. Health Sensors: HRS3300 for heart rate, blood pressure, SpO2
5. Connectivity: Bluetooth 5.0, Micro USB for charging
6. Waterproof: IP67
7. Languages: Firmware: 13 languages; App: 17+ languages
8. Storage: Built-in 128MB, expandable to 32GB
9. Design: Metal case, TPU straps, earbuds housed in the watch
10. App: Flow Fit with multi-language support

Selling Points

1. 2-in-1 Device: Combines a smartwatch with TWS earbuds for convenience
2. Premium Sound: HIFI 9D audio quality with stable signal for calls & music
3. Advanced Health Tracking: Monitor heart rate, SpO2, body temperature, and more
4. Local Music Playback: Built-in storage for offline music enjoyment
5. Customizable Design: DIY watch faces and downloadable dials available
6. Smart Notifications: Receive updates from Gmail, Facebook, WeChat, and more
7. Long-Lasting Battery: 7 days of normal use, 15 days standby
8. AI Voice Assistant: Supports Siri and other voice commands
9. Waterproof: IP67 rating for fitness and daily wear
10. Stylish Build: Metal craftsmanship with ergonomic TPU strap for comfort