Defender FreeMotion B571 wireless stereo headphones in black combine comfortable listening, calls, and practical everyday features. They offer Bluetooth 5.3, a range of up to 10 m, LED backlighting, a built-in and detachable microphone, a foldable design, and the option to play music from a microSD card.
Wireless freedom with Bluetooth 5.3
Bluetooth 5.3 provides a convenient wireless connection to a compatible device at a distance of up to 10 meters. For wired listening, a 3.5mm AUX connection is also available.
Microphone for calls and communication
The headphones have a built-in microphone and also support a detachable microphone. They are suitable for phone calls, online learning, and voice communication while gaming.
LED backlighting and foldable design
Distinctive LED backlighting complements the headset's modern appearance. The foldable design makes the headphones easier to store and carry.
The Defender FreeMotion B571 headphones are a closed-back wireless headset with 40mm drivers for stereo listening to music, watching videos, and communicating during online calls. The metal headband contributes to durability, while the padded ear cushions support comfort during extended use.
The Bluetooth wireless connection allows freedom of movement at a distance of up to 10 meters. When you need to save battery power or connect the headphones to a device using a cable, you can use the 3.5mm AUX connector and the included audio cable. Integrated buttons on the headphones make it easy to control playback and volume.
Practical features:
- Bluetooth 5.3 and wired connection via a 3.5mm jack
- built-in and detachable microphone for calls and online learning
- LED backlighting on the ear cushions
- foldable design for more convenient carrying
- MP3 playback from a microSD card
- battery life of up to approximately 18 hours
Specifications
- Brand and model
- Defender FreeMotion B571
- Color
- black
- Type
- wireless closed-back over-ear stereo headphones
- Wireless connection
- Bluetooth 5.3
- Wired connection
- 3.5mm jack (AUX)
- Range
- up to 10 m
- Driver diameter
- 40 mm
- Headphone frequency range
- 20 Hz–20 kHz
- Headphone sensitivity
- 115 dB ± 3 dB
- Microphone
- built-in and detachable/retractable
- Microphone sensitivity
- -42 dB
- Microphone frequency range
- 100 Hz–16 kHz
- Features
- LED backlighting, on-headphone controls, foldable design, MP3 playback from a microSD card
- Battery
- Li-ion
- Battery life
- up to approximately 18 hours
- Package contents
- headphones, audio cable, charging cable
