Portable High Volume TWS Bluetooth Speaker Basss Subwoofer 30W Outdoor Waterproof Speaker Support Calls Hands-free AUX TF Card Play.

Specification: 1.Item name: V35 bluetooth subwoofer speaker 2.Applicable scenarios: car, desktop, fitness, outdoor, home, mobile and portable, live broadcast, outdoor lawn. 3.Connection method: Bluetooth/TF card/AUX audio cable/TWS 4.Bluetooth version: 5.3 5.Effective connection distance: 18 meters without barrier 6.Frequency range: 80Hz-18KHz 7.Signal-to-noise ratio: ≥100dB 8.Number of speakers: 2 9.Rated power: 30W(15Wx2) 10.Rated voltage: DC 3.7V 11.Power supply: built-in 4000mA li-ion battery 12.Playing time: 6-12 hours(depends on the volume and working mode) 13.Charging time: 2.5 hours 14.Charging voltage: DC5V, 2A 15.Additional functions: card insertion, waterproof, anti-drop, voice prompt, call function 16.Waterproof grade: IPX6 17.Casing material: ABS plastic 18.Color: Black 19.Unit size: 188*51*64mm 20.Net weight: 480g

Battery capacity: 4000 Frequency range: 80Hz-18KHz