Control and Connection Specifications Bluetooth profilesA2DP V1.3, AVRCP V1.5, HFP V1.6 Bluetooth transmitter power<9> Bluetooth frequency2.402GHz - 2.48GHz Bluetooth transmitted modulationGFSK, π/4DQPSK, 8DPSK Audio Specifications Driver size (mm)5.8 Number of drivers per ear1.0 Driver sensitivity at 1kHz/1mW (dB)95dB Impedance (ohms)14.0 Battery Dynamic frequency response range (Hz)20Hz-22kHz Battery TypeLithium-ion polymer (3.7V,85*2mAh) Charging time (hours from empty)2.0 Speed Charging time (hours)2.0 Talk time (hours)5.0 Maximum music play time with ANC off (hours)5+20 Play time (hours)5.0 Audio Specifications Driver size (mm)5.8 Number of drivers per ear1.0 Driver sensitivity at 1kHz/1mW (dB)95dB Impedance (ohms)
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Under Armour by JBL Flash True Wireless In-Ear Headphone - Black