Bluetooth headphones JBL JR 310

Product Description:

• Brand: JBL
• Model: JR 310 BT Green / JR 310 BT Red
• Code: 20135 / 20137
  
• Construction: Closed
• Connection type: Wireless
• Microphone: Yes
• Purpose: for phone, for computer
• Sensitivity: 90dB SPL @ 1kHz/1mW
• Frequency range: 20 Hz-20,000 Hz
• Impedance: 32 ohm
• Battery type and capacity: Lithium-ion Polymer (400mAH, 3.7V)
• Working time: 30 hours
• Connection range: 10 m
• Bluetooth version: 5.0

Video:

Physical parameters:

• Weight: 115 g
• Color optional: green/red