JBL JR 310 BT Wireless Bluetooth On-Ear Kids Headphones

• JBL Safe Sound
• 30-hour battery life
• Easy controls
• Ultra-portable

● Warranty 1 Year

Driver size: 32mm/1.25″ Dynamic driver
Power supply: 5.0V 1.0A
Weight: 115g/0.254 lbs
Battery type: Lithium-ion Polymer
(400mAH, 3.7V)
Charging time: <2 hrs from empty
Music play time with BT on 30 hrs
Frequency Response: 20Hz – 20kHz
Impedance: 32 ohm
Sensitivity: 90dB SPL @ 1kHz/1mW
Maximum SPL: 80dB
Microphone sensitivity:
-40 ± 3dBV @ 1kHz/Pa
Bluetooth version: 5.0
Bluetooth profile version: A2DP V1.3,
AVRCP V1.5, HFP V1.6
Bluetooth transmitter frequency range:
2.4GHz – 2.4835GHz
Bluetooth transmitter power: <4dbm
Bluetooth transmitter modulation:
GFSK, π/4 DQPSK, 8DPSK
Maximum operation temperature: 45 °C