ขาย Computer audio subwoofer Bluetooth speaker TV projector 2.1 multimedia audio support OEM ราคาที่ดีที่สุด

Brand: others Model: wl20d Listing time: 2017 Origin: Shenzhen Source category: spot Type: computer speaker Applicable population: General Interface type: USB Connection mode: 3.5mm audio socket Frequency response range: 40Hz-20KHz Output power: 30W Signal to noise ratio: ≥ 75db Channel: 2.1 Power supply mode: others Operation mode: knob Extended storage: 32GB Number of speakers: others Bluetooth protocol: 4.1 Effective distance: 15m Playback duration: 8 hours Shell material: plastic Box material: wood Product weight: 3.8 Printed logo: Yes Processing method: OEM processing Fastest shipping time: 16-30 days Whether to support one consignment: Yes Certificate type: 3C certification Certificate No.: 2013010801593591 Shipping logistics company: Zhongtong Logistics service: door-to-door delivery After sales service: store three guarantees Invoice: others Packing list: one audio cable, one main speaker, one auxiliary speaker, two manuals Function: insert card Display screen: none Supported format: USB flash disk Whether there is radio function: No Color: black