Bk3221 Bluetooth Module/Botong Bluetooth Audio Module/Design Botong Bluetooth Speaker

• Usage: Server
• Type: Wireless
• Support Network: Ethernet
• Model NO.: BK3221
• Information content: Data
• Certification: /
• Condition: New
• Pay: T/T
• Transport Package: PP Bag
• Specification: /
• Trademark: Sunhokey
• Origin: China
• Production Capacity: 100000

Product Description

BK3221Bluetooth Module/Botong Bluetooth Audio Module/Design Botong Bluetooth Speaker

i. Product overview:
BM-3221 Bluetooth module is a self-developed intelligent wireless audio data transmission product of our company, which is a low-cost and cost-effective stereo sound wireless transmission scheme, the module adopts BEKEN chip to provide the module with high-quality sound quality and compatibility, and the overall performance is better. BM-3221 Bluetooth module adopts the drive-free mode, customers only need to connect the module to the application products, which can quickly realize the wireless transmission of music and enjoy the fun of wireless music.
II. Application fields:
this module is mainly used for short-distance Music Transmission, which can be easily connected with Bluetooth devices of digital products such as laptops, mobile phones, PDA and so on to realize wireless transmission of music.
* Bluetooth stereo
* Bluetooth Stereo Headset
The hands-free telephone
Bluetooth Wireless Transmission Audio
III. Basic characteristics:
Bluetooth Profiles
Bluetooth v2.1+EDR specification support
A2DPv1.2
AVRCPv1.0
HFPv1.5
IV. Performance parameters:
model BM-3221
Bluetooth specifications Bluetooth V2.1 + EDR
supply Voltage: 3.3v
 
supports Bluetooth protocol HFPV1.5, A2DPV1.2,AVRCPV1.0
work current ≤ 60mA
standby current <500uA
temperature range-40oC to + 85oC
wireless transmission range: more than 10 m
transmission power: CLASS2,3db
sensitivity:-80khz <0.1% BER
frequency range: 2.4 GHz-2.480GHz
external interface: 2C, SPI and UART interface
audio performance SBC decoding
audio signal-to-noise ratio: ≥60db
module size: 25X13.5X1.8MM

FAQ

1. Is Sunhokey a factory or trading company?
Sunhokey is a direct factory with ISO9001, SGS, TUV proved.
2. What payment way is available by Sunhokey ?
T/T, Paypal, Western Union are good. 
3. What is your term of delivery?
We accept EXW, FOB Shenzhen or FOB Guangzhou. You can choose the one which is the most convenient or cost effective for you.
4. What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order.
5. Do you offer a guarantee for the products?
Yes, we offer a 1-year warranty for our products.
6. Do you have any certificates on your products?
Yes, our factory proved by ISO9001, SGS, TUV; our 3d printer filament passed RoHS, REACH; our 3d pen passed CE, FCC, RoHS.
7. Is it possible to do a customized order?
Yes, OEM, ODM, are welcome, customize your own brand, logo and package box are our strong point.
8. Could you send products to my country?
Yes, we do business in every corner of the world, please contact us to consult the details delivery charge.
9. If outside of China(Mainland), must I pay customs duties, import taxes, VATS, etc...?
Yes, customs fees, import taxes, and VAT may apply and not include in your order total cost. Please kindly know that we could not estimate your countries' import taxes. I would suggest you try a duty estimating website like Duty Calculator.