What's in the box:
1 x JBL Tune Flex headphones
1 x Charging box
1 x USB Type-C charging cable
1 x open eartip
1 x 3 sizes of sealing ear tips
1 x Warranty / Warning (W / !)
1 x QSG / Security Sheet (S/i)
Technical specifications:
Driver size: 12mm/ 0.472” Dynamic Driver
Power supply: 5V 1A
Headset: 4.8g per computer (average 9.6g)/0.011lbs per computer (0.021lbs total)
Charging case: 38.6g/ 0.086lbs
Headphone dimensions (Height * Width * Depth):
34.9*20.5*20.2mm/1.37*0.80*0.79 inch
Charging box dimensions(Height * Width * Depth): 47.0*51.5*29.3mm/1.85*2.02*1.15in
Headphone battery type: Lithium-ion polymer (55 mAh/ 3.85 V)
Charging box battery type: Lithium-ion polymer (570 mAh/3.85 V)
Charging time: < 2 hours from empty
Talk time: 4.5 hours
Music play time with BT on and ANC off: Up to 8 hours
Music play time with BT on and ANC on: Up to 6 hours
Frequency response: 20 Hz – 20 kHz
Impedance: 32 ohms
Sensitivity: 110dB SPL@1kHz
Maximum SPL: 95dB
Microphone sensitivity: -38dBV/Pa@1kHz
Bluetooth version: 5.2
Bluetooth profile version: A2DP V1.3, AVRCP V1.6, HFP V1.7
Bluetooth transmitter frequency range:
2.4GHz - 2.4835GHz
Bluetooth transmitter power: <11dBm
Bluetooth transmitter modulation: GFSK, ?/4-DQPSK, 8DPSK
Maximum operating temperature: 45 °C
IP Rating: IPX4