JBL Tune 120TWS Wireless Bluetooth In Ear Earphones Fully working, general signs of use. Specs: General SpecificationsDriver size (mm)5.8Audio SpecificationsDriver sensitivity at 1kHz/1mW (dB)96Dynamic frequency response range (Hz)20Hz – 20kHzImpedance (ohms)14Number of drivers per ear1DimensionsCharging Case Weight (g)60.1Charging Case Weight (oz)2.1Earpiece Weight (g)13.6Earpiece Weight (oz)0.5Control and Connection SpecificationsBluetooth profilesA2DP 1.3 AVRCP 1.5 HFP 1.6Bluetooth frequency2.402 GHz - 2.480 GHzBluetooth transmitted modulationGFSK, π/4DQPSK, 8DPSKBluetooth transmitter power0 - 12dbmBluetooth version5.0BatteryCharging time (hours from empty)2Maximum play time (hours)4
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