JBL Tune 115TWS
True Wireless In-Ear Headphones
Pure Bass. Zero Cables.
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Immerse yourself in your world. Whether you’re tuned into music or taking calls, you’ve got no cords to hold you back. Dual Connect lets you use either earbud, or both, anytime you want, in stereo or mono mode. Your favorite artists sound incredible with JBL Pure Bass. With up to 21 hours of battery life and a comfortable fit, you can keep the fun going all day and night. And if you miss the world, you can take and end calls or talk to your voice assistant using just a finger. Simple as that!
FEATURES: 
Technical Specifications
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Driver size: 5.8mm/0.23" Dynamic driver
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Power supply: 5 V 0.5 A
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Weight: 51.8g/0.114 lbs
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Earpiece: 5.15g/0.0114 lbs/pc (10.3g/0.0227 lbs combined)
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Charging case: 41.5g/0.0915 lbs
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Headset battery type: Lithium-ion Battery (55mAh/3.7V)
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Charging case battery type: Lithium-ion Battery (410mAh/3.8V)
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Charging time: < 2 hrs from empty
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Music playtime with BT on: up to 6 hrs
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Frequency Response: 20Hz – 20kHz
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Impedance: 14 ohm
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Maximum SPL: 95dB
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Sensitivity: 108dB SPL@1kHz/1mW
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Microphone sensitivity: -38dBV@1kHz/Pa
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Bluetooth version: 5.0
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Bluetooth profile version: A2DP 1.3, AVRCP 1.6, HFP 1.7
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Bluetooth transmitter frequency range: 2.4GHz – 2.4835GHz
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Bluetooth transmitter power: < 12dBm
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Bluetooth transmitter modulation: GFSK, π/4 DQPSK, 8DPSK
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Maximum operation temperature: 45°C