Yamaha TW-E3C True Wireless Earbuds (Red) - Manual (Page 58)

Specifications
The specifications of this product are as shown below.
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Driver type
Dynamic
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Driver unit
6.0 mm
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Frequency range
20–20,000 Hz
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Bluetooth version
5.2
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Supported profiles
A2DP, AVRCP, HFP, HSP
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Supported codecs
SBC, AAC, Qualcomm® aptX™ Adaptive
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Supported content protection (Japan only)
SCMS-T
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RF output power
Class 1
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Maximum communication range
10 m (without obstructions)
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Maximum number of pairable devices
3
Microphone for phone calls
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Driver type
MEMS
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Directivity
Omnidirectional
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Frequency range
30–10,000 Hz
Rechargeable battery
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Internal rechargeable battery
Lithium-ion battery
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Charging time (to full capacity)
Earbuds: approx. 2 hours
Charging case: approx. 2 hours
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Continuous playback time
Approx. 9 hours maximum
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Added playback time when charged in the case
Approx. 15 hours maximum
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Continuous playback time with 10 min charging
Approx. 1 hour
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Temperature range for usage (when charging)
5°C–40°C
Charge this product within the listed temperature range.
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Appendix > Specifications