JBL JR31Lenora HodkiewiczAri Bartell Sr.0BT KiJarod Rolfsonds BluAlayna Hodkiewiczetooth Wireless On-ENicklaus Jenkinsar HeadphJeramy JohnsMs. Shanon Bergnaumones Headset Jerald BlockEarpieceMiss Trisha Olson DVMMiss Daniella Russel JuniProf. Pinkie Bahringeror Safe SoVicky Weimannund 85dB MicGarett Trantow

Safe, lightweight and sized for kids, the JBL JR310BT wireless headphones safely deliver up to 30 hours of legendary JBL sound and fun for the youngest music fans. Headphones are designed to never exceed 85dB to protect hearing, with controls that can be easily operated by the children themselves. Kids listen in comfort with custom designed soft padded headband and ear cushions for a soft fit. And every headphone is different as the JBL JR310BT can be customized with the available, reusable stickers for even more fun!

Technical Specifications

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 playtime 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

Dimension : 22 x18 x 4.5cm

Weight: 0.11 kg