Photo of Deep Bass Wireless Headphones RB-M300B

Deep Bass Wireless Headphones RB-M300B

General Driver Unit (mm) 40 mm (1-9/16 in.)
Magnet Type Neodymium
Impedance (Ω) (Power off, with cord) 34 Ω
Sensitivity (dB/mW) (Power off, with cord) 100 dB / mW
Frequency Information Frequency Response (with cord) 20 Hz – 20000 Hz
Frequency Band (with Bluetooth®) 20 Hz - 20000 Hz
Cord Cord Length (m) 1.2 m (3.9 ft.) detachable
MiniPlug (3.5 mm)
Plug Gold
Control/ Mic ● / ●
Playback Time with Battery Approx. 50 hours
Charging Time (25°C/ 77°F) Approx. 4 hours
Quick Charge (15 minutes) Approx. 3 hours
Weight (without cord) Approx. 296 g (10.4 oz)
Supplied Item USB charging cord: Approx. 0.5 m (1.6 ft.)
* Input Plug: USB A Shape, Output Plug: USB Type-C Shape
Detachable cord: Approx. 1.2 m (3.9 ft.)
Advanced Function Bluetooth® Wireless Technology Version 5.0
Supported Profiles A2DP, AVRCP, HSP, HFP
Codec SBC, AAC
Operating Distance Up to 10 m (33 ft.)
Active Noise Cancelling -
Bass Reactor -
NOTE ・Specifications are subject to change without notice. All numbers given here are approximate.
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