MT300 AMOLED Smartwatch with 1.43-inch Display, ECG and Bluetooth Calling

Product Name: MT300 AMOLED Smartwatch

Product Overview:
The MT300 pairs a 1.43-inch AMOLED display (466 x 466) with ECG+PPG health sensing and dual-mode Bluetooth calling. Built on the JL7013A chip with the VP556ER ECG/blood-oxygen front end, it records ECG with HRV reports and ECG playback, tracks heart rate, blood oxygen, blood pressure, body temperature, stress and sleep, and syncs to the H Band app. A 440mAh battery, IP67 waterproofing, a rotating crown button and a metal-alloy case make it a premium-feeling round smartwatch at a wholesale-friendly price.

Core Specifications:
• 1.43-inch AMOLED display, 466 x 466, capacitive multi-point full touch
• ECG + PPG (electrode + photoelectric) — ECG report, HRV report, ECG playback
• Blood oxygen and heart rate via VP556ER (dual-PD dynamic heart rate)
• Body temperature monitoring, blood pressure monitoring, stress monitoring, sleep monitoring
• Dual-mode Bluetooth calling with voice assistant; call rejection; dial pad, Siri dial
• Bluetooth LE 5.0; OTA upgrade supported
• 50 sport modes — walking, running, hiking, cycling, skipping, basketball, football and more
• Message notifications: calls, SMS, email, WeChat, QQ, Facebook, Twitter, WhatsApp, LinkedIn, Instagram and more
• 5+2 dial choices (app dial store + custom dial)
• IP67 waterproof
• 440mAh 3.8V polymer battery; 2PIN magnetic charging
• Chip: JL7013A; 128Mb flash; acceleration sensor KXTJ3-1057; side key + rotating button
• App: H Band (iOS 8.0+ / Android 4.4+); 11 watch languages
• Case: metal alloy + stainless steel; bottom PC + ABS + medical 316 steel; TPU strap
• Colours: silver, black
• Size: 48 x 12mm body, 265 x 48 x 12mm with strap; weight 63.5g (bare machine)

Strategic Selling Points:
① AMOLED + ECG in a round watch — the premium combination B2B buyers ask for, with ECG reports and HRV in the app.
② Dual-mode Bluetooth calling — answer and dial from the wrist, with Siri dial and call rejection.
③ 440mAh battery with magnetic charging — long days between charges, easy top-ups.
④ Metal-alloy build — stainless accents and a rotating crown give it a far more expensive feel than its price.

Why Source via HnThai:
• Direct-from-factory wholesale pricing from Huaqiangbei, Shenzhen
• Full quality inspection before shipping — every unit checked
• Private label, custom logo and packaging available on request