| | Bluetooth Speakers:GM-873B |
| Device type | Bluetooth portable speaker |
| Power, W | 2х3 W |
| Frequency response | 140 Hz - 18 kHz |
| Audio Sources | Bluetooth, micro SD, USB-flash, AUX - 3.5mm, FM-radio |
| Signal / noise ratio | > 75 dB |
| Number of channels | |
| Speaker | 2x40mm, 4 Ohm |
| Subwoofer | |
| Bluetooth | V3.0; A2DP, AVRCP, HFP, HSP |
| 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 | 87.5-108MHg |
| Alarm clock | |
| Additionally | |
| Battery | Li-Ion - 3,7 V, 1200mAh |
| Operation duration | 4 hours |
| Charge time | 3 hours |
| Adapter | microUSB charging 5V / 1.0 A (not supplied) |
| Operating Power Consumption | |
| Stand-by Power Consumption | |
| Color | Black |
| Package Contents | Speaker, USB - microUSB cable, AUX cable, Manual/Warranty |
| Length, mm | 175 |
| Width, mm | 46 |
| Height, mm | 83 |
| Weight, gr | 386 |
| Type of packaging | transparent box |
| Unit number per packing | 1 |
| Length of package, cm | 18,5 |
| Width of package, cm | 13 |
| Height of package, cm | 6,5 |
| Weight of package, gr | 502 |
| EAN1: | 4892109100912 |
| Quantity of consumer packages, pcs | 30 |
| Length of the box, cm | 40,5 |
| Width of the box, cm | 38,5 |
| Height of the box, cm | 38 |
| Gross Weight, kg | 16,3 |
| Net Weight, kg | 15 |
| ITF14: | |