Bluetooth 5.0, fast connection, stable signal, compatible with all Bluetooth devices. Built-in 1200mAh battery, fully charged, can play up to 10 hours There is a dust-proof mesh cover on the surface of the speaker to prevent water, dust, and shock 5W*2 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, noise-canceling microphone, no need to reach the phone when answering an incoming call With the TWS function, you can connect two speakers at the same time Support U disk plug and play, support TF card or maximum 32G memory card, support USB2.0 U disk Support external MP3 / MP4 / computer and other audio input functions (AUX) Simple key control, you can press the key to switch, play/pause, switch modes, skip songs, adjust volume, etc. It is not only a Bluetooth speaker but also a radio, a wired speaker, a subwoofer Specifications: Bluetooth version: 5.0 Range: 10 meters S/N:≥95dB Battery capacity: 1200mAh Built-in voltage: 3.7V Use time: 2 hours Speaker: Φ52 mm x 2 Speaker Power: 4Ω/5W*2 Frequency: 120hz-20khz Product size: 221 x 99 x 101mm Product weight: 766g Package included: 1 x Bluetooth Speaker 1 x Charging Cable 1 x AUX Audio Cable 1 x Shoulder Strap 1 x Chinese and English Manual Other items not included