Product function: Bluetooth TF card radio Product material: ABS silicone Bluetooth version: RDA Bluetooth 4.0 Product size: 9.5*8.6*3.5cm Product weight: 180g Packing information: 58*24*46cm/100pcs 16KG Battery capacity: 3.7 V/350 mAh Delivery time: about 2 to 5 days Droppshing:support Playing time: 2-3H Features 1. Using high-fidelity Ø45mm full-frequency anti-magnetic speaker unit, the bass is surging, the treble is transparent, and the vocals are sweet. 2. Support all mobile phone links with bluetooth function 3, with IP65 grade, rainproof, dustproof, and suction cup, so that the speaker can be adsorbed and played in any occasion; 4. Using fashionable outdoor sports and indoor bathroom dual-purpose portable speakers, breaking the traditional meaning of a single outdoor or indoor speaker on the market 5. The speaker restarts the automatic memory link function 6. It automatically enters the bluetooth state when it is turned on, and can provide stereo audio signal transmission within a barrier-free range of 10 meters. 7, 15 minutes intelligent shutdown 8. The horn is adopted, with a foot of 5W and a dia meter of 45mm; 9. The powerful polymer A-product power supply can play continuously for more than 3.5 hours at 80% volume