DC 3.85 V: Built-in lithium-ion rechargeable battery
DC 5 V: When charged using USB
0 °C to 40 °C (32 °F to 104 °F)
Approx. 1.5 hours (headset)
Approx. 3 hours (charging case)
Approx. 7.3 g × 2 (0.26 oz × 2) (headset only (including M size of earbud tips))
Approx. 41 g (1.45 oz) (charging case)
BLUETOOTH Specification version 5.2
BLUETOOTH Specification Power Class 1
Maximum communication range:
Line of sight approx. 10 m (30 ft) (*1)
2.4 GHz band (2.4000 GHz to 2.4835 GHz)
Compatible BLUETOOTH profiles (*2):
Supported codec (*3):
Transmission bandwidth (A2DP):
20 Hz to 20,000 Hz (with 44.1 kHz for sampling)
20 Hz to 40,000 Hz (with LDAC 96 kHz for sampling, at 990 kbps)
*1 The communication range is a rough estimate. The communication range may differ depending on surrounding conditions.
*2 BLUETOOTH standard profiles indicate the purpose of BLUETOOTH communication between devices.
*3 Audio signal compression and conversion format
Design and specifications of the headset are subject to change without notice.
iPhone SE (2nd generation), iPhone 11 Pro Max, iPhone 11 Pro, iPhone 11, iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7 Plus, iPhone 7, iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone 5s, iPod touch (7th generation), iPod touch (6th generation)
* As of February 2021
- The charging time may differ depending on the conditions of use.