Complete technical specifications, details, expert ratings and review of Plantronics Blackwire C720-M. Find out how your chosen headphones stack up against the competition and whether they are the ones that best meet your expectations with the headphone comparison feature.
design and dimensions sound quality microphone remote control cable battery and charging connections others
DESIGN AND DIMENSIONS Plantronics Blackwire C720-M |
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Product Type | Headset - Bluetooth - wireless | |
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Series | 700 Series | |
Recommended Use | Portable electronics, computer - communication |
The Plantronics Blackwire C720-M are wireless headphones. The wireless connection allows absolute freedom of movement and with that increases the comfort of using the headphones. This feature is very popular, especially when using headphones every day. The limiting factor of wireless headphones is a certain delay in the sound transmission between the source and the headphones (almost indistinguishable for a normal user), as well as the need to charge them (in the case of wired headphones, the headphones are recharged by connecting the cable itself). The headphones use the Bluetooth 2.1 EDR technology for sound transmission.
The headphones are designed as on-ear. On-ear headphones are generally lighter. However, their design has fewer isolation capabilities, and therefore, for example, more sound can be let in and out compared to around-ear headphones.
SOUND QUALITY Plantronics Blackwire C720-M |
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Headphones Form Factor | On-ear | |
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Connectivity Technology | Wireless | |
Wireless Technology | Bluetooth | |
Bluetooth Version | Bluetooth 2.1 EDR | Worse than 77 % of headphones rated. |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP) | |
Sound Output Mode | Stereo | |
Frequency Response | 20 - 20000 Hz | Better than 64 % of headphones rated. |
In-Cord Volume Control | Yes |
The sound quality can be affected by many factors. When it comes to frequency range, the wider it is, the more detail you will hear when listening. However, the range a person can perceive is highly individual. The average person is able to perceive frequencies in the range of 16 to 20 000 Hz. So the most common frequency range you will see on the market is 20 to 20,000 Hz. Lower frequencies up to approximately 256 Hz are considered bass frequencies. Therefore, the lower the bottom value is, the better the headphones will reproduce bass. Conversely, values from approximately 2 048 Hz upwards are treble. That is why headphones with a high upper value will provide a much more accurate reproduction of high notes. Plantronics Blackwire C720-M offers a frequency range of 20 - 20000 Hz. To control the optimum playback volume you can use the manual control directly on the cable.
Show moreMICROPHONE Plantronics Blackwire C720-M |
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Type | Boom | |
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Frequency Response | 100 - 8000 Hz | Worse than 73 % of headphones rated. |
Plantronics Blackwire C720-M has a boom–type microphone.
Show moreREMOTE CONTROL Plantronics Blackwire C720-M |
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Controls | Mute, volume, answer/end |
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CABLE Plantronics Blackwire C720-M |
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Cable Type | Headset cable |
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BATTERY AND CHARGING Plantronics Blackwire C720-M |
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Battery Type | Headset battery rechargeable | |
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Battery Life | 10 hour(s) | Worse than 70 % of headphones rated. |
Standby Time | 240 hours | Better than 65 % of headphones rated. |
In terms of headphone battery life as a significant factor in the purchase decision, it depends on what you want to use the headphones for and potentially how often you will be able to recharge them. Headphones with up to a few hours of battery life are more suitable for home use as they will require more frequent charging. Headphones with a battery life of around 10 hours or more are already more suitable for commuting and shorter journeys. However, nowadays you can also find headphones on the market that have a battery life in the higher tens to hundreds of hours. In this case, you do not have to worry about your headphones simply running out of power on longer journeys, and you will not have to deal with constant recharging. The battery life of the Plantronics Blackwire C720-M reaches up to 10 hour(s).
The standby battery life quoted by the manufacturer is 240 hours.
CONNECTIONS Plantronics Blackwire C720-M |
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Connector Type |
USB (4 PIN USB Type A) Bluetooth |
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OTHERS Plantronics Blackwire C720-M |
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Included Accessories | Carrying case | |
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Service & Support | Limited warranty - 2 years |
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