BK8000L: The classic Bluetooth chip, mainly for audio function, it is an old version Bluetooth chip of Broadcom, which supports audio transmitter, large noise and poor stability.
BK3254: Bluetooth 4.1 version, mainly bluetooth audio function, the product has been greatly improved, and it is well recognized by the market.
BK3260: Bluetooth 4.2, support SPP, BLE. it is the first series dual mode chip of BK.
BK3266: Bluetooth 5.0 version, support SPP, BLE, it is a cost-effective, it can be used for speaker and car electronics.
| Chipset | Bluetooth Version | UART | SPP | BLE | Sound Channel | Differential output | I2S | Audio Transmitter |
| BK8000L | 2.1 | Yes | No | No | Meno\Stereo | No | No | Yes |
| BK8002 | 2.1 | Yes | No | No | Meno\Stereo | No | No | Yes |
| BK3252 | 2.1 | Yes | No | No | Meno\Stereo | No | No | Yes |
| BK3254 | 4.1 | Yes | No | No | Meno\Stereo | No | No | Yes |
| BK3260 | 4.2 | Yes | Yes | Yes | Meno\Stereo | No | Yes | Yes |
| BK3266 | 4.2 | Yes | Yes | Yes | Meno\Stereo | No | Yes | Yes |