| | Bluetooth Speakers:GM-880B |
| Device type | Bluetooth portable speaker with FM radio |
| Power, W | 3 W |
| Frequency response | 100 Hz - 20 kHz |
| Audio Sources | Bluetooth, micro SD, USB-flash, AUX, FM-radio |
| Signal / noise ratio | > 75 dB |
| Number of channels | |
| Speaker | 50mm, 4 Ohm |
| Subwoofer | |
| Bluetooth | V3.0; A2DP, AVRCP |
| 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 | no |
| Screen | |
| FM radio | 87.5 -108MHg |
| Alarm clock | |
| Additionally | LED light |
| Battery | Li-Ion - 3,7 V, 300mAh |
| Operation duration | 3 hours |
| Charge time | 2-3 hours |
| Adapter | miniUSB (or microUSB) charging 5V / 1.0 A (not supplied) |
| Operating Power Consumption | |
| Stand-by Power Consumption | |
| Color | Black |
| Package Contents | Speaker, USB -DC-jack-miniUSB (or microUSB) cable, Manual/Warranty |
| Height, mm | 53 |
| Net weight, gr | 109 |
| EAN13: | 4892161101216 |
| Width, mm | 58 |
| Depth, mm | |
| Type of packaging | Color box |
| Packing height, mm | |
| Packing width, mm | |
| Packing depth, mm | |
| Package gross weight, gr | |
| Quantity of consumer packages, pcs | 100 |
| ITF14: | |
| Height of the box, cm | 30.7 |
| Width of the box, cm | 32.7 |
| Box depth, cm | 32.7 |
| Box gross weight, kg | |
| Net weight of the box, kg | |