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TECH
SPEC
Model:
Driver size:
Power supply:
Weight:
Earpiece:
Charging case:
Headset battery type:
Charging case battery type:
Charging time:
Music playtime with BT on:
Frequency response:
Impedance:
Sensitivity:
Maximum SPL:
Microphone sensitivity:
Bluetooth version:
Bluetooth profile version:
Bluetooth transmitter frequency range: 2.4 GHz - 2.48 GHz
Bluetooth transmitter power:
Bluetooth transmitter modulation:
Maximum operation temperature:
FREE II
5.6 mm / 0.22" Dynamic driver
5 V
1 A
61.6 g/0.135 lbs
4.8 g/0.011 lbs/pc (9.6 g /0.021 lbs combined)
52 g/0.114 lbs
Lithium-ion Battery (55 mAh / 3.7 V)
Lithium-ion Battery (650 mAh / 3.8 V)
< 2 hrs from empty
up to 6 hrs
20 Hz – 20 kHz
16 ohm
100 dB SPL@1 kHz / 1 mW
95 dB
- 38 dBV@1 kHz / Pa
5.0
A2DP 1.3, AVRCP 1.6, HFP 1.7
< 12 dBm
GFSK, π/-4DQPSK, 8DPSK
45 °C
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