◎ Harmonic N21 ↓

◎All-New Bluetooth 6.0↓

Built with an upgraded Bluetooth 6.0 chip for faster, more stable connections. Instant pairing, zero lag, quicker transmission, lower power draw, and reduced latency, total performance maxed out.

◎40mm Large Dynamic Driver↓

Equipped with a massive 40mm diaphragm for thunderous, impactful bass that delivers stunning sonic punch. Crisp, transparent mids and highs create an immersive, concert-like audio experience.

◎Dual EQ Sound Modes↓

Switch between two custom-tuned EQ modes: Bass Mode and Vocal Mode. Experience powerful, punchy bass or crystal-clear, pristine vocals all with a single tap.

◎Long-Lasting Endurance↓

Powered by a high-capacity 300mAh battery for up to 25 hours of non-stop music playback. Small but mighty, it keeps you powered all day long.

◎Foldable & Compact Design↓

Upgraded ultracompact build with flexible foldable structure for easy storage. Folds down to a mini size that fits effortlessly into your bag, saving space at home or on the go.

◎Crystal-Clear Calls↓

Equipped with high-sensitivity microphones that actively suppress ambient noise and precisely enhance your voice. Enjoy interruption-free conversations even in noisy environments—just like talking face-to-face.

◎Universal Compatibility↓

Fully compatible with major systems including Android ,iOS and Wins. Works seamlessly with mobile phones, tablets, laptop and other Bluetooth-enabled devices for maximum flexibility in daily use.

◎All-Day Comfort Wear↓

Dual softness with protein leather and plush memory foam. Professionally engineered for extended-wear comfort.

◎Easy Control↓

Intuitive button controls let you easily play, pause, and switch tracks/EQ with a simple click. Put complete music control right at your fingertips.
●EQ Button
- Single tap: Switch between Vocal Mode/Bass Mode
- Long press for 2 seconds: Turn Siri on/off
●Power Button
- Single tap: Play/Pause/Answer/End call
- Long press for 3s/5s: Power on/Power off
●+/– Buttons
- Long press: Previous/Next track
- Single tap: Volume up/Volume down
●TypeC Port
- Connect to power for charging
●3.5mm Port
- Connect 3.5mm audio cable for wired listening, lower latency & power saving

◎Specifications↓

●Product Name: Monster Harmonic N21
●Bluetooth Chip: Bluetrum
●Bluetooth Version: V6.0
●Operating Frequency: 2.402–2.480GHz
●HD Audio Codec: AAC/SBC
●Transmission Distance: ≥10m
●Frequency Response: 20–20000Hz
●Driver Size: φ40mm
●Battery: 300mAh 3.7V
●Charging Port: Type-C
●Charging Time: 1–2 hours
●Playback Time: Approx. 25 hours