OEM bluetooth wireless earphone headset pcba
1.wireless bluetooth  headset
2.small bluetooth earphone for cell phone

- Bluetooth V2.1+EDR
- Small and Light (less than 8g) fashion design
- Also can wear with removable ear hook for either ear 
- Built-in Chip Antenna for better sound quality.
- Friendly interface for faster connection
- Operating range up to 10 meters
- Bluetooth Specification v2.1+EDR class 2
- RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
- Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
- Supports Bluetooth Headset and Handsfree profiles
- Speaker volume gain control
- 3 Button design: MFB, VOL+, VOL-,
- LED Indicator Status: Blue, Red
- Rechargeable 80mAh Li-Polymer Battery
- 2.5mm DC Plug charging Port
- Charger adapter Output: DC 5V&200mA
- Nominal charging time: Max 1.5 hours
- Talk time: Up to 6 hours
- Standby time: Up to 120 hours
- Operating Temperature: -10 oC - 50oC
- Storage Temperature: -20 oC - 80oC