Audio Components Waterproof : This speaker is waterproof, making it perfect for outdoor use or in wet environments. Bluetooth 5.3 : With Bluetooth 5.3, this speaker provides a stable and fast connection to your device, ensuring a seamless experience. Double Speaker Card : This speaker has two speaker cards, delivering high-quality sound and a powerful bass. : This speaker is small and lightweight, making it easy to carry around and use on-the-go. Product specifications: BT:5.3 Support: L2CAP or A2DP(AVCTP or AVDTP or AVRCP)can receive signal and control the device.support HSP or HFP(Handsfreeprofile), Built-in Mic for hands-free phone callWorking distance: 10M .SNR:295db Battery:3.7V 1200mAh Normal volume playing time: 2HSpeaker driver:D 45 mm x 2 .Power:4Q or 5Wx2 Frequency response: 120 Hz-18KHz.Unit size: L70xW70xH162mmUnit weight:320gCharging:5V or 500mA Product Feature: 1Built-in Low-freg radiatorsSuper dynamiclow-frequencysound pressure gain, listeningtransparent and flexible. 2.Internationaladvanced BT chipand circuit design techniques,support all BT device play musicafter pairing with BT device .forexample mobile or MID or TV,theworking distance is more than 10M 3.with Mic for hands-free phonecall function. 4.Built-in MP3 decodingcandirectly play TF card, U disk, mobileand other USB storage devicesstored MP3 format music files 5.Build-in the FM radio moduleconvenient to auto scan and saveradio channels 6.Support AUXIN input 7.support TWS 1.AUX :it can play via3.5mm AT cable to camera 2.USB slot:it can decode andplay MP3 format whenput USB card into the slot 3.TF slot:it can decode andplay MP3 format whenput TF card into the slot 4.DC 5V charging slot:use thestandardminiUSB microcharging cable for powercharging. 5.When play music, press shortfor next song,press long toturn up the volume. 6.When play music(USB card or TF card or LINEIN or BT),press shortfor"play or pause".under BTmode with mobile pairedpress short to answer a callpress again to hand up.(in FM mode,press short tosearch station automatically press again to stop searching).Keep the TWS speaker under BTmode without pairing ,press the"play or pause key for 4 secondseither of the speaker until heara hint and meantime the buttonlight stop flashing,now is in TWSmode,then can paire the mobile. 7.Power switch:long press foron or off.when play music(USB card or TF card or FM or BT),press short to switch USB or TFFM or BT.(switch toline inifvia AUX cable to device). 8.When play music,press shortfor last song, press long to turndown the volume. Note: Under FM mode, put inthe AUX cable to get better FMradio station Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.