JBL Jr310bt On Ear Wireless Headphone - Red

• JBL Safe Sound
• Bluetooth enabled
• Built-in mic
• 30-hour battery life
• Easy controls
• Comfort fit
• Ultra-portable
• Make it yours – JBL Sticker set

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, p/4 DQPSK, 8DPSK
• Maximum operation temperature: 45 °C
• Product Dimensions (assembled): 182 X 41 X 217 MM
• Weight: 115 g 
• Warranty: 12 Months