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- Name: Wireless Neckband Headphones
- Model: JR-DY01
- Type: in-ear
- BT version: V5.0
- Audio decoding: SBC
- Supported protocols: HSP/HFP/A2DP/AVRCP
- Frequency response range: 20Hz~20kHz
- Speaker type: dual dynamic speakers
- Speaker size: Φ8.0mm*4
- Speaker rated power: 3mW
- Speaker impedance: 32Ω±15％
- Speaker sensitivity: 103±3dB
- Battery capacity: 105 mAh
- Music time: about 8h (80% volume)
- Talk time: about 7h (80% volume)
- Standby time (connected): about 48h
- Charging time: about 1.5h
- Charging input: DC 5V/200mA
- Charging port: Micro
- Material: ABS+silicone
- Net weight: about 27g
