JBL JR 310 BT Wireless Bluetooth On-Ear Kids Headphones

JBL JR 310 BT Wireless Bluetooth On-Ear Kids HeadphonesJBL Safe Sound30-hour battery lifeEasy controlsUltra-portable● Warranty 1 YearColorBlue, Green, RedDriver size: 32mm/1.25″ Dynamic driverPower supply: 5.0V 1.0AWeight: 115g/0.254 lbsBattery type: Lithium-ion Polymer(400mAH, 3.7V)Charging time: <2 hrs from emptyMusic play time with BT on 30 hrsFrequency Response: 20Hz – 20kHzImpedance: 32 ohmSensitivity: 90dB SPL @ 1kHz/1mWMaximum SPL: 80dBMicrophone sensitivity:-40 ± 3dBV @ 1kHz/PaBluetooth version: 5.0Bluetooth profile version: A2DP V1.3,AVRCP V1.5, HFP V1.6Bluetooth transmitter frequency range:2.4GHz – 2.4835GHzBluetooth transmitter power: <4dbmBluetooth transmitter modulation:GFSK, π/4 DQPSK, 8DPSKMaximum operation temperature: 45 °C Download