**Product Specifications:**
**Brand:** Ou Bai
**Model:** D10
**Type:** Neckband Style Amplifier
**Color:** Black
**Features:**
1. **Wireless Design:** Eliminates tangled wires and discomfort from traditional headband amplifiers.
2. **Comfortable Fit:** Lightweight at 20g, ensures a comfortable and secure fit without causing discomfort.
3. **Convenient Operation:** Easy to use with simple controls, making it convenient for teachers to use during long periods.
4. **Anti-Howling Technology:** Prevents feedback and howling noises, ensuring clear sound transmission.
5. **High Volume Output:** Provides a true 10W output, rejecting false advertising claims of higher wattage.
6. **Long Battery Life:** Offers up to 15 classes of continuous use, with a large capacity lithium battery and Type-C charging port.
**Technology:**
- AcousticGuard
- OmniWave360°
- CrystalVoiceTM
**Additional Features:**
- Built-in high-fidelity recording function for easy playback and review of lessons.
- Bluetooth 5.4 connectivity for seamless audio streaming and low latency.
**Compatibility:** Works with various music and audio apps such as Kugou Music, Douyin, Netease Cloud Music, QQ Music, and more.
**Package Contents:**
1. Ou Bai D10 Amplifier
2. Neckband Microphone
3. Wired Microphone
4. Waist Belt
5. Type-C Charging Cable
6. Warranty Card
**Specifications:**
- Peak Power: 10W
- Shell Material: ABS
- Battery Capacity: 1800mAh
- Usage Time: Up to 15 classes
- Charging Time: Approximately 3 hours
- Charging Interface: Type-C
- Product Dimensions: 114mm x 92mm x 42mm
**Note:** Please use a charging adapter with 3C certification for charging.
