Haino Teko Bluetooth calling smartwatch with 3 straps

Common Features Across Models

• Bluetooth calling — Answer or make calls directly from the watch when paired with a smartphone.
• 3 interchangeable straps — Usually a mix of silicone (sporty), leather (classic/formal), and stainless steel/metal (premium). Easy to swap for different looks or occasions.
• Display — Often a vibrant AMOLED or full-touch HD screen (sizes vary, e.g., ~1.9-inch on some models; curved options available).
• Health & fitness — Heart rate monitoring, SpO₂ (blood oxygen), blood pressure estimates, sleep tracking, step/calorie/distance counting, and multiple sports modes.
• Other smart features — Notifications (calls, messages, apps), music control, camera remote/shutter, weather, alarms, stopwatch/timer, customizable watch faces, and sometimes voice assistant support.
• Battery — Typically 5–7 days of regular use (up to 10–15 days or more standby on some models); magnetic or wireless charging.
• Water resistance — Often IP67 (splash/sweat-resistant; suitable for daily use and light rain, but generally not recommended for swimming or seawater).
• Compatibility — Works with both Android and iOS via a companion app.
• Build — Alloy or metal case, lightweight design for all-day wear.