| Bluetooth: | Yes |
|---|---|
| Bluetooth profiles: | A2DP, HSP, HFP, AVRCP |
| Bluetooth version: | 5.0+EDR |
| Connectivity technology: | Wired & Wireless |
| Depth: | 45 mm |
| Driver unit: | 6 mm |
| Ear coupling: | Intraaural |
| Frequency band: | 2402–2480 |
| Headphone frequency: | 20 - 20000 Hz |
| Headphone sensitivity: | 100 dB |
| Height: | 70 mm |
| Microphone frequency: | 100 - 16000 Hz |
| Microphone sensitivity: | 42 dB |
| Microphone type: | Built-in |
| Package depth: | 132 mm |
| Package height: | 97 mm |
| Package weight: | 340 g |
| Package width: | 38 mm |
| Product colour: | Black |
| Product type: | Headset |
| Recommended usage: | Calls/Music |
| Sustainability certificates: | RoHS, CE |
| Talk time: | 4 h |
| Usb connector: | Micro-USB |
| Wearing style: | In-ear |
| Weight: | 90 g |
| Width: | 30 mm |
| Wireless range: | 10 m |
DEFENDER BLUETOOTH HEADSET TWINS 639 BLACK
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