Main Products: Bluetooth Headsets ,Bluetooth Earphones ,Bluetooth Speakers ,Bluetooth Modules ,Bluetooth Glasses
Low cost bluetooth module
USD $3.5 - $4.5 /Piece
Min.Order:2000 Pieces
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Shenzhen ALMsound Technology Ltd.
Credit Member 4 years 
Business Type: Manufacturer,Trading Company
Shenzhen Guangdong ChinaMain Products: Bluetooth Headsets ,Bluetooth Earphones ,Bluetooth Speakers ,Bluetooth Modules ,Bluetooth GlassesProduct Details
Low cost bluetooth module
| Spec Item | Range | |
| General | Dimension (mm) | 28.0 x 13.0 x 2.0 mm |
| PCB material | FR4 4 layers | |
| Soldering pin type | Stamp module for SMT | |
| Antenna | Antenna built-in | |
| Firmware memory | ROM | |
| Bluetooth | Bluetooth version | Bluetooth specification: V2.1 + EDR |
| Bluetooth chipset | BlueTunes® ROM BC57F ROM | |
| Profiles supported | A2DP/AVRCP/HFP/HSP | |
| Connectivity | Multi-link - A2DP/HFP | Connect with 2 x host devices (A2DP/HFP) |
| NFC | External NFC module available (Optional) | |
| RF/Wireless | Frequency range | 2.402GHz to 2.483GHz |
| Transmission power | -4 ~ +6 dBm, Class 2 | |
| Sensitivity | -85dBm (typical) | |
| Wireless Range | >10m ( free space) | |
| Audio | Microphone inputs | Stereo or mono line-in |
| Output for speaker | Stereo differential output | |
| ADC sampling | 8 KHz ~ 48 KHz, 16-bit high-quality | |
| DAC sampling | 8 KHz ~ 96 KHz, 16-bit high-quality | |
| Codec | High quality stereo codec | |
| Decoder support | SBC, MP3 and AAC | |
| Noise/Echo reduction | CVC 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 | ~300uA (typical) @ACL link, Sniff 500ms, LED off | |
| Power comsumption - SCO | ~14 mA (typical) @SCO link, HV3 packet | |
| Power comsumption - A2DP | ~17 mA (typical) @SBC, 48KHz sampling | |
Key Features
1. Bluetooth stereo module for low cost audio products
2. High efficiency PCB antenna built in
3. RF transmission power level control configurable
4. Support for Configurable multi-band EQ and Volume Boost
5. Support for voice prompt
6. On-chip charger for lithium ion/polymer batteries
7. Complete verification test on functional, RF, audio and Bluetooth
8. Reliability test and external lab test for certifications
9. Verified production line capability and quality system
Product picture
R&D Lab Test
Production Assembly Line
Factory picture
About product
This is a high-quality Bluetooth module with PCB antenna built in, focusing on low cost audio applications, based on CSR BlueTunes® ROM with BC05 multimedia core, support for CVC noise reduction & echo cancellation and tunable audio configuration. The module is elaborately designed in EMI and RF enhancement with fine-tuned RF match and antenna directionality.
About our company
We are an one-stop supplier with professional service in wireless audio products, both in R&D and production quality based on our management system and industrial expertise.
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