Adopt advanced Bluetooth audio decoding chip to support the connection of all Bluetooth devices Detachable shoulder strap to carry anywhere Mesh cover to prevent the speaker from entering water, dust, and vibration 10W high power, providing 360 stereo sound Call function, noise-canceling microphone, allowing you to answer the call without touching your phone Support FM radio, you can directly search the radio listening area Support maximum 32G TF card(not included), support AUX, support USB2.0 flash drive TWS function, can connect two speakers simultaneously through one phone Multi-flashing LED lights, the lights can flash with the music melody, one-key conversion 2400mAh battery, fully charged can play for 10 hours at 2/3 volume Specification: Bluetooth version: 5.0 Wireless transmission distance: 10M Battery capacity: 2400 mah Charging time: 2-3 hours Speaker diameter: 52mm* 2 Speaker power: 4 / 5W*2 Frequency response: 70 hz-20khz Signal to noise ratio: 90dB Distortion rate: <1% Product size: 194.4 * 81 * 82 mm Product net weight: 720g Package included: 1 x Bluetooth Speaker 1 x Charging Cable 1 x Audio Cable 1 x Shoulder Strap 1 x English and Chinese User Manual