【Multiple Uses】 1Mii flight wireless adapter is designed for in-flight entertainment systems, but also can used with handheld games consoles, pc, gym equipment and more. It’s a ideal companion for Bluetooth headphones. | 【Stereo Sound with Full Details】Featured with Bluetooth 5.3 and aptX adaptive, aptX HD, aptX Low Latency, aptX, SBC, 1Mii B05 Bluetooth flight adapter boasting high fidelity stereo sound, 24bit perfect audio over than CD quality(16bit). Pick up any kind of music for you lossless and wirelessly. | 【Portable & Long Playtime】1Mii B05 Bluetooth transmitter with rechargeable batteries, can last for 6 hours playtime on single charge, the charging case holds additional charging for up to 24 hours’ playtime, or continuous playback if plugged in via the supplied USB-C power cable. Enough for 30 hours music play. | 【One-Prong or Two-Prong】One of the jacks folds in, making it ideal for both in-flight entertainment that requires the classic single-pronged jack as well as the two-pronged jacks typically found on international flights. | 【Sleek & Slim】The unique design of 1Mii B05 Bluetooth adapter, The container for the 1Mii Bluetooth transmitter is slim, sleek, and black, doubling as a charging case.