| | Bluetooth Speakers:GM-881B |
| Device type | Portable Bluetooth speaker with clock |
| Power, W | 3 W |
| Frequency response | 50 Hz - 20 kHz |
| Audio Sources | Bluetooth, microSD, AUX - DC-jack 3.5mm, FM-radio |
| Signal / noise ratio | > 75 dB |
| Number of channels | |
| Speaker | 1x40mm, 4 Ohm |
| Subwoofer | Passive |
| Bluetooth | V2.1 +EDR; 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 / AUX-in |
| Support for Handsfree | Yes |
| Screen | LED - 95x40mm |
| FM radio | 87.5-108MHg |
| Alarm clock | Yes |
| Additionally | Clock 24 hours |
| Battery | Li-Ion - 3,7 V, 1800mAh |
| Operation duration | 8 hours |
| Charge time | 3-4 |
| Adapter | microUSB charging 5V / 1.0 A (not supplied) |
| Operating Power Consumption | |
| Stand-by Power Consumption | |
| Color | Black |
| Package Contents | Speaker, Universal USB/microUSB/DC-jack 3.5mm, cable, AUX cable, Manual/Warranty |
| EAN13: | 4892336100914 |
| Height, mm | |
| Net weight, gr | 332 |
| Width, mm | |
| Depth, mm | |
| Type of packaging | |
| Packing height, mm | |
| Packing width, mm | |
| Packing depth, mm | |
| Package gross weight, gr | |
| Quantity of consumer packages, pcs | 40 |
| ITF14: | |
| Height of the box, cm | 34 |
| Width of the box, cm | 42 |
| Box depth, cm | 54 |
| Box gross weight, kg | |
| Net weight of the box, kg | |