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  • Listen/talk time
    • Up to 8 hours listening/6 hours talk time
    • Up to 14 days standby/180 days in DeepSleep mode**
    • Digital signal processing (DSP) and full duplex echo cancellation
    • HQ custom SBC codec, 13 mm neodymium speakers, Frequency response 50-20,000 Hz, Total Harmonic Distortion <3%, sensitivity 105 dBspl/mW @ 1 kHz
    • A2DP for audio streaming, AVRCP for music controls, Hands-free v1.7 for wideband, and Headset v1.1
    • Waterproof* design that meets the IP57 rating plus sweatproof nano-coating
    • Spoken alerts in eight language options (US English (default), UK English, French, German, Swedish, Spanish, Mandarin, Japanese)
    • Up to 2 hours
    • Rechargeable, non-replaceable lithium-ion
    • 24 g/0.85 oz
    • 32°F to 104°F/0°C to 40°C
    • Up to 33 ft/10 m from phone or tablet
    • Waterproof in fresh water up to 1 meter (3.28 feet) for 30 minutes (IP57). However, Bluetooth® technology does not transmit underwater. plantronics.com/waterproof .
    • Performance is dependent upon battery and may vary by device