| Style: | TWS (True Wireless Stereo); | Certification: | ce,RECH; |
| Is wireless: | Yes; | Packaging Detail: | Pack in color box 100pcs/carton; |
| Private Mold: | Yes; | Package: | Color Box; |
| Place of Origin: | Guangdong China; | Brand Name: | Leadstar; |
| Single gross weight: | 0.2 KG; | Active Noise-Cancellation: | Yes; |
| Logo: | OEM Logo; | Bluetooth Standard: | Blue tooth v5.0; |
| Product name: | wireless earphone; | Package Preview: | ; |
| Control Button: | Yes; | Selling Units: | Single item; |
| Volume Control: | Yes; | Vocalism Principle: | Other; |
| Use: | Mobile Phone,Portable Media Player,Mobile Phone,COMPUTER,Gaming,Sports; | Battery capacity: | 2000mah; |
| Function: | Waterproof,Noise Cancelling,Microphone; | Certificate: | CE ROHS; |
| Model Number: | F9-4; | Communication: | Wireless; |
| Chipset: | JIE LI; | Color: | black; |
| Waterproof Standard: | IPX-5; | Wireless Type: | Other; |
| Warranty: | 1 Year; | Single package size: | 10X14.4X4.9 cm; |
| Material: | ABS; |






| 1. Colour | Black |
| 2. Charging port | Lithium Ion Battery 2000 mAh |
| 3. Blutooth vision | V5.0 |
| 4. Blutooth distance | 10M |
| 5. Battery | 50 mAh/3.7V(rechargeable lithium battery) |
| 6. Charging box | Lithium Ion Battery 2000 mAh |
| 7. Call time | Around 4~6 hours |
| 8. Standby time | Around 120 hours |
| 9. Music time | Around 4~6 hours |
| 10. Charging time | About 1~2 hours |
| 11. Frequency range | 2.4GHZ |
| 12. LED power display | Yes |
| 13. Noise reduction | CVC 8.0 |
| 14. Audio decoding | SBC |
| 15. Charging input voltage | dc5 + 0.25V |
| 16. Adjustment mode | GFSK, TT / 4 DQPSK, 8DPSK |
| 17. Package | 2X Blutooth earbuds |
| 1X English User Manual | |
| 1X Charging Case |



