M51 Business Bluetooth Headset Dual-Mic ENC, 60-Hour Battery with Case

Stay confidently connected wherever your day takes you, in the car, at the office, or on the go, with the M51 Business Bluetooth Headset. Designed for professionals who value both clarity and comfort, it combines Qualcomm Bluetooth 5.2 with dual-microphone ENC and CVC 8.0 noise cancellation, so your voice stays crisp even through traffic, wind, or background chatter.

The ergonomic ear-hook design fits naturally on either ear and stays secure all day, while the pocket-size charging case (500 mAh) keeps you powered for up to 60 hours of total use. With one-touch smart controls and a dedicated mute button, every call feels effortless and professional — whether you’re driving, leading meetings, or taking calls hands-free on the move.

Key Features

• Clear Calls with Dual-Mic ENC – Primary mic captures your voice while a secondary mic reduces background noise; CVC 8.0 polishes clarity.

• Bluetooth 5.2 (QCC3040) – Low latency, low power, and a reliable connection up to 15–20 m.

• All-Day Power – Up to 15 hours single-use playback or 12 hours talk; case adds multiple recharges for up to 60 hours total use.

• Charge Two Ways – Drop into the case or use the USB-C cable directly when the case is empty.

• Connect Two Devices – Pair with phone and laptop simultaneously; switch between music and calls.

• Comfortable, Adjustable Fit – 270° mic boom + 180° ear-hook rotation for either ear and different ear shapes.

• Dedicated Mute Button – Instantly mute/unmute; long-press to launch voice assistant.

• IPX4 Splash Resistant – Ready for commutes and light workouts.

• Wide Compatibility – Works with Android, iPhone, iPad, Windows/Mac computers, and tablets.

Technical Specifications

• Bluetooth Chipset: Qualcomm QCC3040

• Bluetooth Version: 5.2; Profiles: HFP / A2DP / AVRCP / HSP

• Wireless Range: 15–20 m (open space)

• Driver: 13 mm dynamic speaker

• Noise Reduction: Dual-mic ENC + CVC 8.0

• Battery (Headset): 115 mAh

• Battery (Charging Case): 500 mAh with LED percentage display

• Play Time (Single Use): ~15 hours

• Talk Time (Single Use): ~12 hours

• Total Use with Case: up to ~60 hours

• Standby Time: up to ~6 months

• Charging Port: USB-C; Charge Time (headset/case): ~1.5–2 h

• Multi-Point: Yes (connects to 2 devices)

• Water Resistance: IPX4

• Materials: ABS + Silicone

Controls

• Multi-Function Button: power on/off, answer/end, play/pause, reject call (long-press), last-number redial (double-click)

• Volume + / –: tap to adjust; long-press for next/previous track

• Mute Button: tap to mute/unmute; long-press (3 s) for voice assistant

What’s in the Box

• M51 Mono Bluetooth Headset ×1

• Charging Case ×1

• USB-C Charging Cable ×1

• Ear Tips: S / M / L ×1 each

• User Manual ×1

Dimensions & Weight

• Product Weight (headset): 17 g

• Charging Case Weight: 64 g

• Retail Box Size: 15.5 × 9.5 × 4 cm

• Gross Weight (boxed): 0.25 kg

Compatibility

• Devices: Android phones, iPhone, iPad, Windows/Mac laptops/desktops, tablets, and most Bluetooth-enabled devices

• Profiles: HFP / A2DP / AVRCP / HSP

• Use Cases: Driving, business calls, warehouse and logistics, remote work, conferencing