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Here’s a concise analysis of the relevant information from the provided document:
### Product Overview:
- **Model**: JSD24
- **Brand/Manufacturer**: JOOSDON (爵世盾), Foshan Aikusheng Electronics Manufacturing Co., Ltd (佛山爱酷声电子制造有限公司)
- **Bluetooth Version**: v5.3
### Performance and Features:
- **Wireless Communication Distance**: 5-10 meters
- **Listening Time**: 30-60 hours (varies based on usage)
- **Battery Specifications**:
- Material: Ternary lithium battery
- Capacity: 200mAh/0.74Wh
- Rated input: DC5V=100mA
- Rated self-consumption current: 1.7μA
- Full charge time: Approximately 2 hours
- **Frequency Response Range**: 20Hz-3KHz
- **Sensitivity**: 100dB ± 3dB
- **Charging Interface**: Micro USB
### Operation Instructions:
1. **Power On**:
- Long press the middle button for 4 seconds.
- The headphones flash red and blue, releasing a Bluetooth signal.
2. **Wireless Connection**:
- Open the Bluetooth interface on your device.
- Look for the model name **JSD24** and pair it.
3. **Power Off**:
- Long press the middle button for 4 seconds to turn off the headphones and disconnect Bluetooth automatically.
### Button Functions:
- **"+" Key**:
- Single press: Increase volume
- Long press: Switch to the previous track
- **"O" Button**:
- For Music: Single press to play/pause
- For Calls: Single press to answer/end a call
- **"-" Key**:
- Single press: Decrease volume
- Long press: Switch to the next track
### Compatibility:
- Compatible with all playback devices that support Bluetooth reception.
This comprehensive breakdown should give you all the key details about the product. Let me know if you'd like any specific information discussed further! 😊
