USB Hi-Speed USB (USB 2.0 compliant)


Version Ver 4.0
Frequency band 2.4 GHz band (2.4000 GHz - 2.4835 GHz)
Modulation method FHSS, Other

Compatible Bluetooth profiles (*1)

A2DP (Advanced Audio Distribution Profile)

AVRCP (Audio Video Remote Control Profile)

HFP/HSP (Hands Free Profile/Headset Profile)

Supported Codec (*2) SBC (*3), AAC

*1 Bluetooth profiles are standardized according to the purpose of the Bluetooth device.

*2 Codec indicates the audio signal compression and conversion format.

*3 SBC stands for Subband Codec.

Compatible iPhone/iPod models

Bluetooth technology works with iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone 5c, iPhone 5, iPod touch (6th generation).


Tag Type (Charging case)


Accelerometer, Proximity sensor



Headphone out

Frequency response

20 Hz to 20,000 Hz

Ambient Sound Mode



Power Source

Built-in Rechargeable lithium-ion Battery

USB power (from a computer via a USB connector of the charging case)

Charging Time

USB-based charging

Approx. 2.5 hours (Player)

Approx. 3.5 hours (Charging case)

Operating temperature

–5 °C to +35 °C (23 ºF to 95 ºF) (Player)

5 °C to 35 °C (41 ºF to 95 ºF) (Charging case)

Water resistance/Dust proofing IP65/IP68 (IEC 60529) or equivalent (Player) (*1)

*1with Swimming Earbuds attached

Mass Approx. 7.3 g (0.26 oz) × 2 (Player, not including the arc supporters)
Approx. 75 g (2.65 oz) (Charging case)


4 GB

Actual available memory for other contents

Approx. 3.29 GB=3,533,152,584 bytes


  • Available capacity may vary. A portion of the memory is used for data management functions.

The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.