ACEFAST N4 WIRELESS NECK EARPHONE BT

Massive Battery Life & Quick Charging

• 130 Hours of Music Playback: Packed with a massive 800mAh internal battery, it delivers an incredible 130 hours of continuous music runtime or up to 100 hours of continuous talk time (tested at 60% volume).

• Ultra-Fast Charging Top-Up: Recharges via USB-C (5V / 1A). Thanks to integrated fast-charging circuitry, plugging the neckband in for just 10 minutes yields roughly 10 hours of music playback. A full charge from dead to 100% takes about 3 hours.

• Standby Performance: Features an ultra-efficient sleep mode that keeps the headset ready for $\ge 300\text{ hours}$ when connected but not actively streaming.

📊 LED Digital Status Display & Modes

• Visual Status Dashboard: Outfitted with an integrated numerical LED screen on the control pod that displays your exact remaining battery percentage and active volume level at a glance.

• Dual Mode TF Card Playback: Features a built-in TF (MicroSD) card slot, allowing you to load your favorite tracks and listen to audio completely phone-free without a active Bluetooth connection.

🎶 Wireless Connectivity & Audio Build

• Bluetooth v5.3 Architecture: Provides a highly stable, energy-efficient wireless range up to 10 meters (approx. 33 feet) with reduced latency.

• 10mm Dynamic Drivers: Custom-tuned 10mm drivers deliver a clean audio profile across a standard 20Hz–20kHz frequency response curve, prioritizing clear vocals and snappy bass lines.

🏗️ Ergonomics & Everyday Protection

• Skin-Friendly Silicone Band: The lightweight neckband is structured from flexible, medical-grade silicone and aluminum alloy accents designed to sit comfortably against the skin without slipping or causing friction during workouts.

• Magnetic Earbud Clasp: The backs of the earbuds feature integrated magnets that snap lock together around your neck when not in use, preventing the cords from tangling.

• IPX4 Waterproofing: Certified splash-resistant to safely withstand sweat, humidity, and unexpected light rain showers.

📐 Physical Profile & Weight

• Overall Length: 78.5 cm.

• Weight: Highly portable at 55g.