NBN-1 Neckband Wireless Sport Earphones
- Chipset: JL7003
- Material: Silicone+ABS
- Bluetooth Version: V5.3
- Bluetooth Operating Frequency: 2.402GHZ-2.480GHZ
- Speaker Power: rating 3-5mW
- Frequency Response：50Hz～20KHz
- Effective Distance: 10M
- Speaker Diameter: Φ10mm@32ohm
- Horn: composite membrane horn
- Microphone: condenser mic -42dB±2
- Battery Capacity: lithium battery 3.7V 165mAh
- Standby Time: about 300 hours
- Music/Talk Time: about 12 hours (80% volume）
- Charging Input Standard: DC5V-500mA USB-C
- Charging Time: about 1.5 hours