Product Details:

Bluetooth version: V5.1

Supported protocols: A2DP, AVRCP, HFP, HSP

Bluetooth effective distance: 10 meters (barrier-free)

Speaker: Ǿ 52mm

Speaker power: RMS 4Ω 3W

Audio range: 250Hz～16kHz

Sensitivity: 77±3db

Signal to noise ratio: 80%

Micro SD: support up to 32G

Battery: 500mAh

Charging time: about 2 hours

Playing time: about 4 hours (medium volume)

Interface: Micro USB interface charging DC5V==400mA

Product Packing List

* BT511 bluetooth speaker x1

* BT511 instruction manual x1

* Micro USB cable x1

Service & Cooperation

1, We are a professional supplier of Camera Modules,support all kinds of Camera Module customization, Purchase list quotation, OEM Order, Drop Shipping and wholesale order.

2, We can provide product quotations, find or customize products, one-stop procurement, product related document etc. to meet your requirements.

3, If you send message to us, we will reply to you within 24 hours.

Payment & Guarantee

1, If you have any problem with the order, please contact with us at the first time.

2, We support various popular payment methods. Hope to have long-term and in-depth cooperation with you in business.

3, For Europe buyer, Order Amount > 150 EUR, need you to pay European Union VAT and Tariff when the parcel is in customs clearance.

Shipping & Choose

1, We will send your order out within 24 hours after we get the payment.(holidays is not include)

2, If you need the shipping of package can be checked and more faster, please choose“AliExpress Saver Shipping”or "AliExpress Standard Shipping" shipping way.

3, If you choose Fedex IP or DHL (Commercial Express), the customs officer will ask you to pay customs duties, and we need you solve customs clearance of package.