Joyroom JR-D7 Neckband Headphone Black
- Wearing : in-ear
- Bluetooth: V5.0
- Bluetooth chipset: BK
- Receiving sensitivity: -85dBm
- Frequency: 20Hz-20KHz
- Microphone sensitivity: -41dB ± 3dB
- Headphone battery capacity: 105mAh
- Bluetooth protocol: HSP / HFP / A2DP / AVRCP
- Speaker unit: 98 ± 3dBat1KHz
- Music time: about 6h (50% volume)
- Talk time: about 6h
- Charging input: 5V500mA
- Headphone charging time: 2-3 hours
- Standby time: about 40 hours
