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Black smartwatch with steel band and aluminium case

allentian

allentian Tk20 Smart Watch Black Glue 142G

SKU CH-1G3R-6MP7C

A smart watch with ECG, non-invasive blood glucose, heart-rate, blood-pressure and sleep monitoring plus sports tracking, magnetic charging and up to seven days endurance

  • SizeMedium
  • Product colorBlackGlue
  • Compatible withAndroid / IOS
  • ECG and non-invasive glucose tracking for deeper health insight
  • 7-day battery life reduces charging frequency
  • Steel band with aluminium case for durable daily wear
  • Magnetic charging and touch-button control simplify operation
  • Android and iOS compatibility keeps notifications at your wrist

Tk20 Smart Watch for Business Users

The allentian Tk20 is a wearable built for professionals who want health tracking and instant notifications on the wrist. It pairs with Android and iOS platforms and uses a touch-button interface for control. The aluminium alloy case and steel band give it a formal look suited to office environments.

Sustained Use Over a Typical Week

Battery endurance reaches seven days or less on a single charge, so the watch supports continuous heart-rate, blood-pressure and sleep monitoring without daily top-ups. Magnetic charging restores power conveniently at a desk or bedside. Life-waterproof rating handles hand-washing and light rain during extended wear.

Upgrade From Basic Trackers or Phone-Only Alerts

This model replaces simple step counters that lack ECG, non-invasive glucose estimation or blood-oxygen insight. The jump is worth it when you need on-wrist electrocardiogram data and glucose trends rather than only step totals. Buyers who require multi-day GPS logging or cellular independence will not find those features here.

How it compares

Measured against everything we stock in Smartwatches & Wearables, at today’s prices. Recalculated every night.

Price $128.99
Pricier than about 83% of the 2,527 comparable items (median $44.99).

Specifications

Product
Product colorBlackGlue
Size & build
SizeMedium
Compatibility
Compatible withAndroid / IOS
More details
Team affiliationNO

Questions about this item

Does the Tk20 produce noticeable heat or fan noise while worn all day for heart-rate and glucose tracking?

The watch has no fan and its aluminium-alloy case stays at skin temperature during continuous monitoring; the only warmth you may feel is normal body heat under the band.

What phone operating system and companion app must I already have to pair the Tk20 and see ECG or blood-glucose data?

You need a smartphone running Android or iOS with the vendor's health app installed; the watch connects wirelessly up to five metres and pushes every reading to that app.

Will the magnetic charger and steel band work with the older smartwatch dock and leather straps I already own?

The Tk20 uses a proprietary magnetic charging cable and a fixed steel sports band, so neither your old dock nor third-party straps are compatible.

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