JBL Under Armour True Wireless Flash Bluetooth Sport Earphone Headset ORIGINAL

25 Hours of total battery life Battery life can last for 5-hours per charge, but no need for concern if you’re on-the-go. Simply recharge your earphones for another 20-hours playtime with the water-resistant, aluminum charging case. General Specifications Weight (g)16 Weight (oz) 0.56 Ear tip material Silicon Bluetooth version 4.2 Audio Specifications Driver size (mm)5.8 Number of drivers per ear 1.0 Driver sensitivity at 1kHz/1mW (dB)95dB Impedance (ohms)14.0 Control and Connection Specifications Bluetooth profilesA2DP V1.3, AVRCP V1.5, HFP V1.6 Bluetooth transmitter powerBluetooth frequency2.402GHz - 2.48GHz Bluetooth transmitted modulationGFSK, π/4DQPSK, 8DPSK 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