Good sound quality:Equipped with 40mm full-range large-size speakers, high volume, wide soundstage coverage, bass enhancement. Wireless Bluetooth 5.4:Lower power consumption, faster transmission, more stable signal, compatible with mainstream mobile phones/computers/tablet laptops and other devices. IPX5 waterproof: and splash without fear of wind and rain, easy to adapt to a variety of outdoor extreme weather. Compact and Portable:Compact size that can be easily grasped with one hand, equipped with a lanyard, easy to carry around. Long-lasting battery life:Newly upgraded 1000 mAh high-capacity battery, 6h lasting companion. Bluetooth wersion:5.4 Effective distance:less than equal 12m Battery specifiaions:1000mah lithiuimn battery Drive unit:40mm Charging function:Supports USB charging/DC5V adapter Music play time:about 3.5H (70% volume test) Rated power:3W Input:5V-0.7A Frequency response:20hz- 20khz Impedance:DCR3.3ohm earth 15% Color: White Material: Zinc alloy Package Contents: 1 x Bluetooth speaker 1 x Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.