•Bluetooth-compatible 5.3, fast connection, stable signal, compatible with all Bluetooth-compatible devices; •Mesh cover to protect the speaker from water, dust, shock •Support TF card, U disk plug & play, support external MP3 / MP4 / computer and other audio input functions (AUX) •10W high power, two bass diaphragms on each side, vibrate when playing music •Cylindrical and built-in left and right channels provide 360° stereo •Call function, a noise-canceling microphone that allows you to answer calls without yours; •FM radio allows you to listen to the radio freely •Support MP3, WMA, WAV, FLAC, and APE format music files •Simple button control, you can press the button to turn on/off, play/pause, switch modes, skip songs, adjust volume, etc. •1800mAh battery with 2/3 capacity when fully charged, up to 10 hours of play •TWS function, 360° stereo, specially designed TWS function, fills the room with stereo sound, provides 3D stereo surround sound Specifications: •Bluetooth-compatible version: 5.3 •Bluetooth-compatible distance: •Frequency Response: 70hz-20khz •Signal-to-noise ratio: ≧95dB •Distortion rate: •Speaker size: Φ57mm •Speaker impedance: 4Ω 10W •Battery capacity: 1800mAh •Charging time: 3.5 hours •Working time: 10 hours •Charging parameters: DC 5V •Product size: 96 x 96 x 206mm Package included: •1 x Bluetooth-compatible Speaker •1 x USB Cable •1 x Audio Cable •1 x English and Chinese Manual •Other items not included