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Specifications

BLUETOOTH

Standard	BLUETOOTH v5.2
Frequency range	2.402 GHz - 2.480 GHz
Output power	Power Class 1
Max. communication distance	Approx. 10 m (33 ft) ^*
Profiles	A2DP/AVRCP/HFP
Codecs	SBC, AAC, Qualcomm^® aptX™ audio, Qualcomm^® aptX™ Adaptive audio
Supported content protection	SCMS-T

* The communication distance is just an estimate. The sound may be choppy and the communication distance may be shorten depending on the surrounding environment.

This system can register the pairing information of up to 7 BLUETOOTH devices. When the 8th device is paired, the pairing information of the new device will overwrite the information of the oldest registered device.

Power supply/General

Power supply	Built-in lithium-ion rechargeable battery
Battery life	Noise canceling function Off / “K2” function Off / AAC: Approx. 9 hours (earphone) / Approx. 27 hours (earphone + charging case) Noise canceling function On / “K2” function Off / AAC: Approx. 5.5 hours (earphone) / Approx. 16.5 hours (earphone + charging case) (Depends on usage conditions.)
Charging time	Approx. 2.5 hours (earphones) Approx. 2.5 hours (charging case)
Operating temperature range	5 °C (41 °F) to 40 °C (104 °F)
Charging temperature range	5 °C (41 °F) to 35 °C (95 °F)
Drip-proof performance	IPX4 (earphones)
Mass	Approx. 7.8 g (one earphone) / approx. 45 g (charging case) (including built-in lithium-ion rechargeable battery)
Accessories	Charging case Charging cable Spiral Dot Pro ear pieces S/MS/M/ML/L 2 pieces each

Earphone battery hours in different conditions

Codec	Noise canceling function Off		Noise canceling function On
Codec	“K2” function Off	“K2” function On	“K2” function Off	“K2” function On
SBC	Max. 8.5 hours	Max. 6 hours	Max. 5 hours	Max. 4 hours
AAC	Max. 9 hours	Max. 6 hours	Max. 5.5 hours	Max. 4 hours
aptX	Max. 7.5 hours	Max. 5.5 hours	Max. 5 hours	Max. 4 hours
aptX Adaptive	Max. 7 hours	-	Max. 4.5 hours	-

Designs and specifications are subject to change without notice.