A4Tech Bloody MH390 Wireless Bluetooth Headset

General Parameters

• Model: Bloody MH390

• Type: Wireless On-Ear Headset (also supports wired mode)

• Color: Black (also available in White and Khaki)

• Dimensions: 195 × 80 × 180 mm

• Weight: 244 g

Audio Specifications

• Speaker Unit: 40 mm Hybrid Diaphragm with M.O.C.I. (Mycelium Of Carbon It) Dome Tech

• Frequency Response: 20 Hz – 20 kHz

• Impedance: 32 Ω

• Sensitivity: 100 dB

Microphone

• Type: ENC Omni-Directional

• Frequency Range: 100 Hz – 10 kHz

• Sensitivity: -42 dB

• Noise Cancelling: ENC (Environmental Noise Cancelling) for clear calls

Connectivity

• Bluetooth Version: v5.3

• Operating Range: Up to 10 m (32 feet)

• Wired Mode: Yes, via included 3.5 mm audio cable (100 cm)

Battery

• Battery Type: 400 mAh Lithium Battery

• Playback Time: Up to 35 hours

• Fast Charging: 15 minutes = 3 hours playback

• Charging Interface: USB Type-C (50 cm cable included)

Design & Controls

• Foldability: 90° foldable earcups with metal connection

• Headband: Adjustable metal frame with protein leather padding

• Ear Pads: Protein leather over-ear ergonomic cushions

• Controls: On-ear buttons for Volume +/-, Play/Pause, Previous/Next Track, Call Pickup, Power On/Off