Specifications: Talk time: Up to 12 hours talk time and 15 hours listen time
Standby time: Up to 13 days standby time
Roaming range: Up to 98 ft. / 30m
Headset weight: 110g (mono) / 150g (stereo)
Bluetooth technology: Bluetooth v4.1 Headset Profile (HSP) 1.2 and Hands-Free Profile HFP 1.6 with wideband HD Voice); Class 1 BT radio
Audio profiles: Advanced Audio Distribution Profile (A2DP) 1.2, AVRCP 1.4
Codecs: Music: SBC, Call with cell: CVSD, mSBC, UC call: Mono: mSBC; Stereo: mSBC
Speaker sensitivity: 94 dB SPL +/-4 dB
Receive frequency response: 20 Hz - 20 kHz
Speaker impedance: 32 ohm
Speaker size: 32mm
Battery capacity: 360mAh typical / 350 mAh minimum
Battery type: Rechargeable, non-replaceable lithium ion polymer
Charge time: 1.5 hours for full charge
Microphone and technology: Noise canceling ...