Compare the features of Bumble Bee Models
| Bumble Bee Model (G8) | Neuron Queen | Gamma Pro | Pro | |
 |  |  |  | |
| Price | $269 USD | $170 USD | $115 USD | |
| Wave Form | Biphasic Square Wave | Biphasic Square Wave | Biphasic Square Wave | |
| Frequencies | 1 to 1500 Hz | 0.5, 2.5, 4.5, 9.5 16, 40 and 100 Hz | 2 – 39 HZ | |
| Freq Control | Yes | Yes | Yes | |
| Intensity Control | Yes | Yes | Yes | |
| Maximum Current | 6 mA | 6 mA | 6 mA | |
| Pulse Width | 1.5 ms | 1.5 ms | 1.5 ms | |
| Timer | 1 min to 12 hours | N/A | N/A | |
| 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 | |  | | |
| Battery Powered | | | | |
| Anxiety | | | | |
| Insomnia | | | | |
| Depression | | | | |
| PTSD | | | | |
| General Wellbeing | | | |