| | Headphone:GM-971BT |
| Device type | Headphones / headsets Bluetooth with touch control |
| Сompatibility | iPhone, iPod, iPad, MacBook, Samsung, HTC, Nokia, LG and other smart phones, tablets, music players and audio |
| Frequency response | 20 - 20000 Hz |
| Impedance | 32 Om (+/-15%) |
| Sound pressure level (SPL) | 123 dB (+/-3 dB) (SPL) |
| Load rating | |
| THD, total harmonic distortion | |
| Ear coupling | monitor (ON ear) |
| Design of headphones | Foldable |
| Mount Type | headband |
| Transducer principle | dynamic, closed |
| Headphone connectivity | Bluetooth V4.0 + EDR |
| Noise Isolation | yes |
| Active noise control system | |
| Audio Cable | additionally, 3pin 3,5 mm jack length 1.2m (OFC) |
| Driver Diameter, mm | 55 |
| Built-in microphone | yes |
| Features | Lithium polymer battery 550mAh |
| User Manual / Warranty Card | yes |
| Additionally | Soft wipes for rubbing |
| Carrying case | case 18cm x 14cm x 8cm |
| Dual mono connector 3.5mm jack | |
| Connector 1/4' (6,35 mm) jack | |
| Answer/end a conversation | yes |
| Play/Pause | yes |
| Previous/next track | yes, touch control |
| Adjusting the volume | yes, touch control |
| Height, mm | 74 |
| EAN13: | 4892380101318 |
| Width, mm | 158 |
| Depth, mm | |
| Net weight, gr | 203 |
| Type of packaging | Box |
| Packing height, mm | |
| Packing width, mm | |
| Packing depth, mm | |
| Package gross weight, gr | |
| ITF14: | |
| Quantity of consumer packages, pcs | 20 |
| Height of the box, cm | 48 |
| Width of the box, cm | 36 |
| Box depth, cm | 53 |
| Box gross weight, kg | |
| Net weight of the box, kg | |