JBL Live Beam 4 | True Wireless Noise Cancelling Earbuds
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Specification
- General Specifications
- Driver size: 10 mm / 0.39’’ Dynamic Driver
- Power supply: 5 V ⎓1 A
- Maximum operation temperature: 40 °C
- IP rating: IP55
- Audio Specifications
- Frequency response: 20 Hz – 40 kHz
- Impedance: 16 ohm
- Sensitivity: 98 dB SPL@1 kHz
- Maximum SPL: 95 dB
- Microphone sensitivity: -38 dBV/Pa@1 kHz
- Control and Connection Specifications
- Bluetooth version (Earbud): 6.0
- Bluetooth version (Charging Case): 6.0
- Bluetooth profile version: A2DP V1.4, AVRCP V1.6.3, HFP V1.8
- Bluetooth transmitter frequency range: 2.4 GHz – 2.4835 GHz
- Bluetooth transmitter power (Earbud): < 10 dBm (EIRP)
- Bluetooth transmitter power (Charging Case): < 14 dBm (EIRP)
- Bluetooth transmitter modulation (Earbud): GFSK, π/4-DQPSK
- Bluetooth transmitter modulation (Charging case): GFSK
- Dimension Specifications
- Earbud: 4.85 g per pc (9.7 g combined)/0.0107 lbs per pc (0.0214 lbs combined)
- Charging case: 73 g / 0.1609 lbs
- Battery Specifications
- Earbud battery type: Lithium-ion battery (65 mAh / 3.85 V)
- Charging case battery type: Lithium-ion battery (680 mAh / 3.8 V)
- Charging time: 2 hrs from empty
- Music playtime with BT on and ANC off: Up to 12 hrs
- Music playtime with BT on and ANC on: Up to 10 hrs
- Music playtime with BT on and True
- Adaptive ANC on: Up to 8 hrs
- Talk time with ANC off: Up to 6.5 hrs
- Talk time with ANC on: Up to 6 hr