| Management number | 217186524 | Release Date | 2026/04/19 | List Price | $9.60 | Model Number | 217186524 | ||
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| Category | |||||||||


| Color | Black |
|---|---|
| Theme | Commute, Music, Sports, Work |
| Impedance | 32 Ohms |
| Brand Name | truefree |
| Model Name | Truefree B1 |
| Style Name | Contemporary |
| Item Weight | 80 Grams |
| Control Type | Touch Control |
| Manufacturer | truefree |
| Model Number | Truefree B1 |
| BuiltIn Media | Charging Case, Truefree B1 Earbuds, USB-C Charging Cable, User Manual |
| Noise Control | None |
| Series Number | 1 |
| Cable Features | Without Cable |
| Control Method | App, Touch |
| Earpiece Shape | Open Ear |
| Headphone Jack | No Jack |
| Controller Type | Touch |
| Frequency Range | 20 Hz - 20,000 Hz |
| Number of Items | 1 |
| Audio Driver Type | Dynamic Driver |
| Bluetooth Version | 5.4 |
| Compatible Devices | Cellphones, Laptops, Tablets |
| Enclosure Material | Nickel-titanium, Plastic, Silicone |
| Frequency Response | 20 KHz |
| Battery Charge Time | 10 minutes |
| Wireless Technology | Bluetooth |
| Battery Average Life | 25 Hours |
| Warranty Description | 1 year |
| Age Range Description | Adult |
| Water Resistance Level | Water Resistant |
| Connectivity Technology | Wireless |
| Headphones Ear Placement | Open Ear |
| Headphone Folding Features | Open ear |
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