JBL Tune 115 TWS Earphone

Driver size: 5.8mm/0.23" Dynamic driver

Power supply: 5 V 0.5 A

Headset battery type: Lithium-ion Battery(55mAh/3.7V)

Charging case battery type: Lithium-ion Battery (410mAh/3.8V)

Charging time: < 2 hrs from empty

Music playtime with BT on: up to 6 hrs

Frequency Response: 20Hz – 20kHz

Impedance: 14 ohm

Maximum SPL: 95dB

Sensitivity: 108dB SPL@1kHz/1mW

Microphone sensitivity: -38dBV@1kHz/Pa

Bluetooth version: 5.0

Bluetooth profile version: A2DP 1.3, AVRCP 1.6, HFP 1.7

Bluetooth transmitter frequency range: 2.4GHz – 2.4835GHz

Bluetooth transmitter power: < 12dBm

Bluetooth transmitter modulation: GFSK, π/4 DQPSK, 8DPSK

Maximum operation temperature: 45°C