What are the battery specifications for the earbuds and case?
The headset uses a Lithium-ion Battery (48mAh/3.7V) while the charging case contains a Lithium-ion Battery (500mAh/3.7V). Both batteries are rechargeable via the included USB Type-C cable. (Page 3)
From the official Jbl Wave 200TWS Wireless Earbuds manual, page 3
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