| DESIGN AND DIMENSIONS | Sony DR BT21G | - |
|---|
| Product Type | Headset - Bluetooth - wireless | - |
|---|---|---|
| Weight | 65 g | - |
| Colour | White | Black | - |
| Recommended Use | Portable electronics | - |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony DR BT21G | - |
|---|
| Headphones Form Factor | Behind-the-neck mount | - |
|---|---|---|
| Connectivity Technology | Wireless | - |
| Wireless Technology | Bluetooth | - |
| Bluetooth Version | Bluetooth 2.0 | - |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 100 - 4000 Hz | - |
| Diaphragm | 30 mm | - |
| Magnet Material | Neodymium | - |
| MICROPHONE | Sony DR BT21G | - |
|---|
| Microphone Technology | Electret condenser | - |
|---|---|---|
| Microphone Operation Mode | Mono | - |
| Audio Input Details | Omni-directional | - |
| REMOTE CONTROL | Sony DR BT21G | - |
|---|
| Controls | Volume, on/off, play/pause | - |
|---|
| BATTERY AND CHARGING | Sony DR BT21G | - |
|---|
| Battery Type | Headset battery rechargeable | - |
|---|---|---|
| Battery Life | 11 hour(s) | - |
| Standby Time | 100 hours | - |
| Power Device | Power adapter - external | - |
| WIRELESS LINK | Sony DR BT21G | - |
|---|
| Transmission Range | 10 m | - |
|---|---|---|
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
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