🎧 Elevate your workout & workday with sound that moves as fast as you do!
The truefree O2 Open Ear Headphones combine ultra-lightweight comfort with advanced directional acoustics and IPX5 waterproofing. Featuring 15mm drivers, Bluetooth 5.3, and multipoint connection via a dedicated app, they deliver immersive sound with minimal leakage and seamless device switching. With up to 22 hours of playtime and fast charging, these earbuds are designed for active professionals who demand both situational awareness and premium audio performance.
| ASIN | B0D54DLM8V |
| Additional Features | Fast Charging, Lightweight, Microphone Included, Multipoint Pairing, Sweatproof |
| Age Range Description | Adult |
| Antenna Location | Calling, Cycling, Exercising, Running |
| Audio Driver Size | 15 millimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 76 milliseconds |
| Battery Average Life | 6.5 hours |
| Battery Charge Time | 75 minutes |
| Best Sellers Rank | #161,490 in Electronics ( See Top 100 in Electronics ) #6,293 in Earbud & In-Ear Headphones |
| Bluetooth Range | 6 meters |
| Bluetooth Version | 5.3 |
| Brand Name | truefree |
| Built-In Media | Cable, User Manual |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 22 hours |
| Carrying Case Battery Capacity | 500 milliamp_hours |
| Carrying Case Battery Charging Time | 75 minutes |
| Carrying Case Color | Black |
| Carrying Case Height | 26 millimeters |
| Carrying Case Length | 9.2 centimeters |
| Carrying Case Material | Eco-friendly scratch-resistant material |
| Carrying Case Weight | 71 g |
| Carrying Case Width | 5.7 centimeters |
| Color | Black |
| Compatible Devices | Cellphones, Laptops, Tablets |
| Connectivity Technology | Wireless |
| Control Method | App |
| Control Type | Touch Control |
| Controller Type | Touch |
| Customer Package Type | packaging |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,431) |
| Earpiece Shape | Hook |
| Enclosure Material | Silicone |
| Frequency Range | [20 Hz, 20000 Hz] |
| Frequency Response | 20 KHz |
| Global Trade Identification Number | 06974685081637 |
| Headphone Folding Features | open ear |
| Headphone Jack | No Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 12 ohm |
| Item Weight | 10 g |
| Manufacturer | truefree |
| Model Name | truefree O2 |
| Model Number | truefree O2 |
| Noise Control | Environmental Noise Cancellation |
| Number of Items | 1 |
| Sensitivity | 114 db |
| Series Number | 2 |
| Specific Uses For Product | Entertainment, Fitness, Travel |
| Style Name | Modern |
| Subject Character | Game |
| Theme | Commute, Sports, Work |
| Unit Count | 1 Count |
| Warranty Description | 12 months |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |
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