Speaker drivers
JBL 5.8mm dynamic
Maximum volume
111dB SPL
Frequency response
10Hz - 22kHz
Bluetooth version and profiles
4.2, A2DP v1.3, AVRCP v1.6, HFP v1.6, HSP v1.2
Bluetooth transmitted frequency & power
2.402GHz - 2.48GHz, <4dBm
Bluetooth transmitted modulation
GFSK, π/4, DQPSK, 8-DPSK
Battery type
Rechargeable lithium-ion (3.7V 2x50mAH)
Battery life
Up to 5 hours with audio and heart rate enabled
Battery charge time
Less than 2 hours
Controls
Three-button controller, right earbud touch sensor
Connector
Micro USB

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