Key benefits wireless audio: supports LDAC for CDquality stereo streaming and also includes AAC for advanced codec compatibility. Low latency, stable connection: uses Bluetooth version 5.0 to improve transmission efficiency, stability, and ultralow power consumption. Immersive listening and hands use: 3D surround sound mode accessible via the 3D button; integrated microphone enables hands calling. Reliable streaming and quick pairing: continuous streaming with automatic repairing to existing paired devices. Longlasting power with convenient use: a 300 mAh polymer battery delivers up to 12 hours of use; supports charging and streaming at the same time. Wide compatibility and storage capability: supports AAC and music storage, suitable for use with mobile phones, tablets and headphones. Core specifications Codec support: LDAC for resolution audio; AAC for broad compatibility; music storage capability. Bluetooth: version 5.0 for efficient, stable connectivity and low power draw. Audio features: 3D surround sound function activated by the 3D button. Microphone: integrated microphone for hands calls. Battery: 300 mAh polymer battery, up to 12 hours of use. Repair: automatic repair with previously paired devices. What this device solves Enables quality wireless listening from LDACenabled sources while preserving battery life. Reduces audio latency for syncing with video or games and provides stable connections in everyday use. Adds immersive sound through 3D mode and convenient hands communication with an integrated mic. Maintains continuous streaming with automatic repairing to simplify daily use. Use scenarios Daily commute or travel: pair with a phone or tablet to enjoy LDAC audio and long battery life on the go; 3D surround sound enhances regular sound sources. Home entertainment: connect to a phone, tablet, or computer for watching videos or listening to music with low latency and stable Bluetooth 5.0 connection; use the builtin mic for hands calls. Desk or office use: use with mobile devices for music playback or calls; automatic repairing ensures quick, hassle reconnect after interruptions.