3D surround sound and hands calling Activate 3D surround sound with the dedicated 3D button to enjoy immersive audio from standard sound sources Builtin microphone enables hands calling for convenient conversations Longlasting power and easy use 300 mAh quality polymer battery delivers up to 12 hours of use Supports charging and streaming simultaneously Automatically repairs with existing paired devices for quick, seamless reconnect Codec support and music storage Supports AAC advanced codec and music storage Compatible with mobile phones, tablets and headphones fidelity and low latency Supports LDAC and low latency for CDquality stereo streaming Connectivity and efficiency Uses Bluetooth 5.0 for improved transmission efficiency, stability, and ultralow power consumption Use scenarios On the go with a smartphone or tablet: enjoy 3D surround sound, switch to hands calls when needed, and rely on long battery life for extended listening At home or during travel: watch videos or listen to music on a tablet with quality stereo streaming and reliable wireless performance While charging and streaming: continue listening without interruption thanks to concurrent charging and streaming, with automatic repairing for fast reconnect Specifications and attributes at a glance 3D surround sound function activated by 3D button Integrated microphone for hands calls Battery: 300 mAh polymer, up to 12 hours Charging while streaming supported Auto repair with existing paired devices AAC codec support and music storage LDAC support with low latency and CDquality stereo streaming Bluetooth version 5.0 for efficiency and stability