China factory best bluetooth transmitter low energy module
USD $4 - $6 /Piece
Min.Order:2000 Pieces
Shenzhen ALMsound Technology Ltd.
This is a ultra small size Bluetooth module with PCB antenna built in, focusing on in-ear stereo headset applications. The module is elaborately designed in EMI and audio configuration based on CSR8645 with CVC noise & echo cancellation and apt-X technologies, support for multi-link, smart apps connectivity, dual-mic, voice prompt features. It has excellent RF performance by fine-tuned RF match and antenna directionality.
China factory best bluetooth transmitter low energy module:
Spec Item | Range | |
General | Dimension (mm) | 17.0 x 9.0 x 3.0 mm (double side mounting) |
PCB material | FR4 4 layers | |
Soldering pin type | Double soldering pads for flat cable | |
Antenna | Antenna built-in | |
Firmware memory | ROM | |
Bluetooth | Bluetooth version | V4.1 + EDR |
Bluetooth chipset | BlueCore® CSR8645™ | |
Profiles supported | A2DP/AVRCP/HFP/HSP | |
Connectivity | Multi-link - A2DP/HFP | 2 x host devices (A2DP/HFP) or 2 x headsets |
App connection | Support for Smart App Connectivity | |
NFC | External NFC module available (Optional) | |
RF/Wireless | Frequency range | 2.402GHz to 2.483GHz |
Transmission power | Class 2 , -4 ~ +6 dBm | |
Sensitivity | -90dBm (typical) | |
Wireless Range | >10m ( free space) | |
Audio | Microphone inputs | 2 x analog mic (stereo or dual-mono) |
Line-in | Support for stereo line-in | |
Output for speaker | Stereo differential output (upto 50mW) | |
ADC sampling | 8 KHz ~ 48 KHz, 16-bit high-quality | |
DAC sampling | 8 KHz ~ 96 KHz, 16-bit high-quality | |
Codec | Hi-Fi quality stereo codec | |
Decoder support | aptX, SBC, MP3 and AAC | |
Music Enhancements | Configurable EQ, S3D, Volume Boost | |
Noise/Echo reduction | CVC6.0 noise and echo reduction | |
HSP voice | HD voice, bi-directional noise reduction | |
Electrical | Supply Voltage - Charger | 4.75~5.75V (Recommended) |
Supply Voltage - Battery | 4.30V (Max) | |
Supply Voltage | 3.0V~3.7V (Recommended) | |
Power comsumption - StandBy | ~250uA (typical) @ACL link, Sniff 500ms, LED off | |
Power comsumption - SCO | ~12 mA (typical) @SCO link, HV3 packet | |
Power comsumption - A2DP | ~14 mA (typical) @SBC, 48KHz sampling |
Key Features:
1. China factory best bluetooth transmitter low energy module
2. Super Mini Size with PCB antenna built in
3. Support for Hi-Fi sound quality
4. Apt-X decoder built in
5. RF transmission power level control configurable
6. Multi-band EQ tunable, S3D and Volume Boost
7. Support for voice prompt
8. Support for USB charging enumeration and Charge management
9. Verified production line capability and quality system
Outstanding features:
1. China factory best bluetooth transmitter low energy module
2. Dual-mic technology as an option for better noise cancellation
3. Multi-link with source devices or 2 headsets
4. Amazing Individuality - Bluetooth kit of 1 transmitter adapter & 2 receivers/headsets
5. Complete verification test on functional, RF, audio and Bluetooth
6. Complete environmental & reliability test
China factory best bluetooth transmitter low energy module picture:
About ALMsound:
Company view:
Production Assembly Line:
Bluetooth test :
A. OEM & ODM service:
I. Based on our MOQ, we can brand your logo on products and package.
II. Perfect ODM service will be supplied by our professional R&D team.
B. Sample order
I. Stock-available sample:
Sample fee will be refunded after formal order.
Delivery time: Within 24 hours after received your sample fee.
II. Branding your logo sampling:
Sample fee will be quoted after your logo and your requirement in details.
Delivery time: 3-7 days depending on the requirement.
Sampling fee will not be refunded.
Delivered by: DHL, FedEx, UPS, EMS, Postal air mail etc.
C. After-sale services:
I. Best quality and service for any order any client.
II. Normally One year Warranty:
We will replace the broken parts or unqualified product with new in the next order.
Ⅲ. For shipping: we will track the order until you get the goods.
IV. Please feel free to contact us if any problem.
Q1. How to play an order? What about prices?
A1: Play an inquiry or contact with online service, after receiving your inquiry we will reply you with prices and information,thank you.
Q2. Can i have my logo printed on the products and packing?
A2: Totally acceptable,thank you.
Q3.What is your payment terms?
A3: For sample: Paypal, T/T, west union;For production: T/T, L/C, or negotiable terms.Thank you.
Q4.What would the delivery time be?
A4: Regularly 20 days after sample confirmed, ahead to 10-15 days if urgent, thank you.
Q5.In an unlikely event that there is a faulty earphone from my order, what should I do?
A5: We have full healthy after-sales service system, if anything happened not match to the contract, we shall recheck and give a better service for customers, penalty or free replacement if necessary, thank you.
More information , pls feel free contact us .
Tel:+86 137 9854 4887
Skype:(live) cherry_1763
WhatsApp:+ 86 13798544887