| Model Number | K9 | 
|---|---|
| Communication | Wireless | 
| Style | In-ear | 
| Function | Waterproof, Noise Cancelling, Microphone, Wireless Charging | 
| Use | Portable Media Player, Mobile Phone, Aviation, COMPUTER, Dj, Gaming, Sports, Audiophile, Travel, PROFESSIONAL, HEARING AID, For Internet Bar, For iPod, HiFi Headphone | 
| Is wireless | Yes | 
|---|---|
| Wireless Type | bluetooth | 
| Support Memory Card | No | 
| Vocalism Principle | Other | 
| Volume Control | No | 
| Is wireless | Yes | 
|---|---|
| Wireless Type | Other | 
| Support Memory Card | Yes | 
| Vocalism Principle | Hybrid technology | 
| Volume Control | Yes | 
| Is wireless | Yes | 
|---|---|
| Wireless Type | Other | 
| Support Memory Card | No | 
| Vocalism Principle | Other | 
| Volume Control | Yes | 
| Is wireless | Yes | 
|---|---|
| Support Memory Card | No | 
| Vocalism Principle | Dynamic | 
| Volume Control | Yes | 
| Control Button | Yes | 
| Model Number | CM-730 | 
|---|---|
| Communication | Wireless | 
| Style | In-ear | 
| Function | SDK available, Support Apple Siri, Waterproof, Microphone, Support other AI Assistant, Support Xiaomi AI Assistant, Support Google Assistant, Noise Cancelling, true wireless stereo | 
| Use | Portable Media Player, Mobile Phone, Gaming, Sports, Travel, PROFESSIONAL | 
| Is wireless | Yes | 
|---|---|
| Wireless Type | Other | 
| Support Memory Card | No | 
| Vocalism Principle | Balanced Armature | 
| Volume Control | Yes | 
| Is wireless | No | 
|---|---|
| Wireless Type | RF | 
| Vocalism Principle | Dynamic | 
| Volume Control | Yes | 
| Control Button | No | 
| Is wireless | Yes | 
|---|---|
| Support Memory Card | No | 
| Vocalism Principle | Dynamic | 
| Volume Control | No | 
| Control Button | No | 
| Model Number | YF-F30 | 
|---|---|
| Communication | Wireless | 
| Style | Earbuds | 
| Function | 5G, Support Apple Siri, Waterproof, Microphone, LED Display, true wireless stereo | 
| Use | Mobile Phone, Travel, Gaming, Sports, PROFESSIONAL |