Description
Defender B525 Free Motion Wireless Stereo Headset
- Connection type: Wireless Bluetooth
- Type of headphones: Full-size on-ear
- Type of earcups: Closed
- Type of mounting: Headband
- Bluetooth specification: V5.0 + EDR, A2DP, AVRCP, HFP, HSP
- Operating temperature range: -20–60 °
- Operating frequency: 2.402–2.480 GHz
- Membrane diameter: 40 mm
- Sensitivity (headphones): 94 dB
- Sensitivity (microphone): 32 dB
- Frequency response (headphones): 20–20000 Hz
- Frequency response (microphone): 20–16000 Hz
- Operation range: 10–15 m
- Continuous talk/listening period: 8 hrs
- Connectors: 3.5 mm jack, Micro-USB for charging
- The material of headphones: Plastic
- ROHS / CE: Yes
- Power supply: Li-Ion battery
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