Open-ear Comfort & Aware Of Danger: The Open-ear design of air conduction earphones helps to achieve true painlessly and harmlessly. No need to put the earbuds in the ear canal, so ears will not feel sore and painful even listening to music for the whole day. These headphones also allow you to hear the surrounding sounds and avoid potential dangers while enjoying your music, especially outdoors, walking on the street or riding a bicycle.
Powerful Stereo Sound Effects: truefree O1 wireless headphones feature large 16.2mm speakers that provide immersive sound with crisp, clear high notes and deep, rich bass. Adopts unique directional sound transmission technology, the sound can be directly transmitted to the ear, improving the traditional sound leakage problems of air conduction headphones, so you can fully concentrate on your music, podcasts, or work without bothering people around you.
APP Customize & Multipoint Connection: Download the“Truefree" APP on Google Play or the APP store. With Truefree APP, you can easily customise your control function like game mode, adjust the EQ to tune the optimal sound, and update the firmware. Choose the " Dual Device Connection" in the APP, you can connect your devices to two devices, and easily switch music, videos, calls, and more between 2 devices.
45Hrs Ultra Long Playtime & Game Mode Low Latency: With up to 10 hours of play on a single charge and 45 hours of battery life with the charging case, these wireless earbuds provide comfortable, uninterrupted listening. In game mode, the earbuds can accurately capture the sound of footsteps, gunfire, and other critical audio cues, helping players quickly identify enemy positions and gain a competitive edge.
Advanced Bluetooth 5.3& Instant Pairing: With advanced Bluetooth headphones 5.3 technology, you can get 2X fast transfer speed (75% higher than the previous generation) and a more stable connection. Open the lid of the charging case, wireless headphones will be paired with each other automatically, and just hit on Bluetooth list "Truefree O1" on your device to connect, avoiding complex operations and saving waiting time.
Crystal Clear Calls: Equipped with 4 microphones as well as ENC noise cancelling technology, the earbuds can filter the environmental noise and clearly pick up your voice at the same time during phone calls, zoom meetings, etc.
30 Days Money Back and 12-Month Free Replacement: Truefree O1 Air conduction Bluetooth headphones warranty is 30 Days Money Back and One Year Free Replacement. Truefree will be always here to service you and please don't hesitate to contact our 24-hour online customer service if you have any questions.  

---

From the brand