Bluetooth 5.0, fast connection, stable signal, compatible with all Bluetooth devices Built-in 1200mAh battery, full battery capacity, up to 10 hours of game time; dust-proof mesh cover design 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; 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 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 Bluetooth range: 10 meters SNR:95dB Battery capacity: 1200mAh Built-in voltage: 3.7V Play-time: 2 hours Speaker size: 52mm x 2 Speaker power: 4/5W x 2 Frequency range: 120hz-20khz Product size: 223 x 96 x 105mm Product weight: 750g Package included: 1 x Bluetooth Speaker 1 x Charging Cable 1 x Audio Cable 1 x Shoulder Strap 1 x English and Chinese Manual Other items not included