| | Bluetooth Speakers:GM-911B |
| Device type | Bluetooth portable speaker |
| Power, W | 5 |
| Frequency response | 150 Hz - 18 kHz |
| Audio Sources | Bluetooth, USB-flash, micro SD, FM-radio |
| Signal / noise ratio | > 80 dB |
| Number of channels | |
| Speaker | 1x 2.0 inches, 4 Ohm |
| Subwoofer | |
| Bluetooth | V5.1 |
| USB | |
| microUSB | |
| Wi-Fi Direct | |
| Composite Output | |
| NFC | |
| Number of Audio Input | |
| Headphone jack | |
| Built-in MP3 player | micro SD, USB-flash |
| Support for Handsfree | yes |
| Screen | |
| FM radio | 87-108MHg |
| Alarm clock | |
| Additionally | Dynamic RGB backlighting, TWS |
| Battery | Li-Ion - 3,7 V, 1200mAh |
| Operation duration | |
| Charge time | |
| Adapter | Type C charging 5V / 1.0 A (not supplied) |
| Operating Power Consumption | |
| Stand-by Power Consumption | |
| Color | Black |
| Package Contents | Speaker, Charging cable, Quick start guide / Warranty card |
| EAN13: | 4894216306201 |
| Net weight, gr | 354 |
| Height, mm | 117 |
| Width, mm | 93 |
| Depth, mm | 59 |
| Type of packaging | Color box |
| Packing height, mm | 125 |
| Packing width, mm | 101 |
| Packing depth, mm | 70 |
| Package gross weight, gr | 402 |
| Quantity of consumer packages, pcs | 60 |
| ITF14: | |
| Height of the box, cm | 52.8 |
| Width of the box, cm | 43.5 |
| Box depth, cm | 27 |
| Box gross weight, kg | 24.75 |
| Net weight of the box, kg | 23.8 |