Compare the features of Bumble Bee Models
| Bumble Bee Model (G8) | Neuron Queen | Gamma Pro | Pro | |
| Note: Some devices may change in design or appearance. |  |  |  | |
| Price | $299 | $199 USD | $149 USD | |
| Wave Form | Biphasic Square Wave | Biphasic Square Wave | Biphasic Square Wave | |
| Frequencies | 1 – 100 + 200, 220, 1000 Hz | 0.5, 2.5, 4.5, 9.5 16, 40 and 100 Hz | 2 – 39 Hz | |
| Freq Control |  | | | |
| Intensity Control | | | | |
| Current | 0.5 – 6 mA | 0.5 – 5 mA | 0.5 – 5 mA | |
| Pulse Width | 1.5 ms | 1.5 ms | 1.5 ms | |
| Timer | |  | | |
| Electrode Type | Gelled Pads / Ear Clips | Gelled Pads / Ear Clips | Gelled Pads / Ear Clips | |
| Delta 1-4 Hz | | | | |
| Theta 4-8 Hz | | | | |
| Alpha 8- 12 Hz | | | | |
| Beta 12-39 Hz | | | | |
| Gamma 40 / 100 Hz | | | | |
| Lambda 200 Hz | | | | |
| Ripple 220 Hz | | | | |
| Omega 1000 Hz | | | | |
| LCD display | | | | |
| Mains Powered | |  | | |
| External Battery Powered (9V) | | | | |
| Internal Battery (Li-Ion 18650 3.7V) | | | | |
| Anxiety | | | | |
| Insomnia | | | | |
| Depression | | | | |
| PTSD | | | | |
| General Wellbeing | | | |