Denon

Sony

AH-C720

MDR-EX31BN

Earphone Specification

Earphone Specification

In Ear Canal

In Ear Canal

Dynamic

Neodymium

11.5 mm

13.5mm

16 ohm

16 ohm (1KHz)

110 dB/mW

105 dB/mW

5 Hz -40000 Hz

20 - 20,000Hz

250 mW

NA

NA

Yes

Black, Grey

Black, White, Blue, Red, Green

3.5 mm Gold-Plated Mini Plug

3.5 mm Gold Plated Jack

1.3 m OFC Cable

40cm cord

8.6 Gm

Approx 34g

Denon Sound Signature.
Improving Mobile Sound.
Ergonomic Aluminium diecast / resin hybrid housing for best sound and fit.

- Wireless Stereo Dynamic In-Ear Headset
- 13.5mm high sensitivity driver
- Hybrid silicone rubber earbuds (S,M,L) supplied fitting and long-term wearing comfort
- Bluetooth Power Class2, Noise Cancelling set

Bluetooth
- Output :- Bluetooth power class2
- Maximum Communication Range :- Line of sight approx. 30ft (10m)
- Frequency Band :- 2.4GHz band (2.4000GHz-2.4835GHz)

Microphone
- Unit/Type :- Electret Condenser
- Directivity :- Omnidirectional Microphone
- Frequency Range :- 100Hz - 4,000Hz

General
- Type :- Closed, dynamic
- Power Source / Battery Type :- Built-in Li-ion Rechargeable Battery
- Battery Life :- (NC ON) Approx. 9.0 Hours, (NC OFF) Approx. 10.5 Hours
- Battery Charging Time :- Approx. 2.5 Hours