HAMMER Ace 4.0 Calling Smart Watch with Large 1.85" IPS Display, Dual Mode, Spo2, Heart Rate, Strong Metallic Body & Skin Friendly Strap, Black

The HAMMER Ace 4.0 solves the problem of juggling health, calls and daily activity in one elegant device. With a vivid 1.85" IPS display and Bluetooth calling, it keeps you connected without reaching for your phone while monitoring SpO2 and heart rate continuously for confident health tracking. Built with a sturdy metallic body and skin-friendly strap, it offers lasting comfort and durability for everyday wear. Backed by a 1-year manufacturer warranty and Vlebazaar’s trusted support and reliable delivery, Ace 4.0 gives premium performance and peace of mind in one sleek package.

Top Features

• Large 1.85" IPS display — crystal-clear readability even in bright light.
• Bluetooth calling with built-in mic & speaker — answer calls hands-free.
• Dual Mode operation — sports tracking + daily smart features for versatile use.
• Continuous SpO2 & Heart Rate monitoring — proactive health insights.
• Robust metallic body — premium durability with a refined finish.
• Skin-friendly silicone strap — all-day comfort without irritation.
• Long battery endurance — reliable performance through busy days.
• Multiple sports modes & sleep tracking — accurate activity and recovery data.
• IP67 water resistance — protection against splashes and sweat.
• Fast, responsive interface — smooth navigation and instant alerts.

Technical Specifications

Why Buy From Vlebazaar?

Vlebazaar combines genuine products with fast, reliable service and customer-first support. You get verified HAMMER products, secure payments, reliable delivery and easy warranty assistance. Our product pages include accurate specs, responsive customer service, and hassle-free returns — making your purchase safe and satisfying every step of the way.

Who Should Buy This?

• Professionals who need hands-free Bluetooth calling and clear notifications on the go.
• Fitness enthusiasts seeking continuous heart rate and SpO2 tracking for training and recovery.
• Anyone wanting a durable, premium-looking watch with everyday comfort.
• Users who value long battery life and a bright, easy-to-read display.
• Gift shoppers looking for a feature-rich smartwatch backed by warranty and trusted service.

Smart FAQs

Q: Does the HAMMER Ace 4.0 support phone calls without a paired smartphone?

A: The Ace 4.0 supports Bluetooth calling when paired to a smartphone. It does not have a standalone eSIM; a paired phone is required for mobile network calling.

Q: How accurate are the SpO2 and heart rate readings?

A: The sensors provide reliable, consumer-grade SpO2 and heart rate monitoring suitable for everyday health tracking and fitness. For medical diagnoses, consult a healthcare professional.

Q: Is the strap replaceable?

A: Yes — the skin-friendly silicone strap is replaceable, allowing you to switch styles or replace worn straps easily.

Q: What is the expected battery life with daily use?

A: Typical daily use yields up to 5–7 days depending on features used (continuous monitoring, Bluetooth calling and screen-on time can reduce runtime).

Q: Will the watch work with my iPhone/Android phone?

A: Yes — the watch is compatible with Android 6.0+ and iOS 11.0+ via the companion app. Bluetooth features like calling work when paired to a compatible phone.

Q: Is the watch water-resistant for swimming?

A: The Ace 4.0 has IP67 water resistance, suitable for splashes and sweat. It is not recommended for swimming or prolonged water immersion.