
Hot-selling Stereo Bluetooth Headset with 2,402-2,480MHz Frequency
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Basic Info
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Product Description
Product Description
- CSR V4.0
- Trans-distance: 10m/30ft
- Frequency: 2,402-2,480MHz
- S/N ratio: - 82dB
- Battery: chargeable lithium-ion polymer battery (3.7V/250mAh)
- Charger power: 5V DC (1A)
- Successive working time: 8 hours
- Standby time: about 180 hours
- Driver unit:
- Speaker diameter: Φ40mm
- Impedance: 32Ω
- SPL: 108dB (SPL at 1kHz)
- Rated power: 20mW
- Frequency response: 20Hz-20kHz
- Microphone unit: φ4*1.5mm
- Impedance: ≤2.2K Ohms
- Frequency response: 30Hz-16kHz
- Operating voltage: 3.0V
- Convenient near field communication (NFC) function for instant connection and pairing
- Built-in CVC echo cancellation, double microphone and DSP noise reduction: crystal
- Clear communication
- Display headphone's battery on the iPhone, iPad and iPod
- Hi-Fi for playing stereo quality music
- Dual-embedded microphones for handsfree conversation from Bluetooth-enabled cell phones
- Pause the music and play back automatically when receiving an incoming call
- Automatically connect to the last connected Bluetooth device
- 3.5mm line in jack allows the headset to works without battery
- Type device: headband communication
- Wireless connectors and USB
- Fully integrated mobile phone functions
- Available colors: red, white, blue and black
- Speaker diameter: Φ40mm
- Impedance: 32Ω
- SPL: 108dB (SPL at 1kHz)
- Rated power: 20mW
- Frequency response: 20Hz-20kHz
- Microphone unit: φ4*1.5mm
- Impedance: ≤2.2K Ohms
- Frequency response: 30Hz-16kHz
- Operating voltage: 3.0V
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