Plug into your laptop or other audio device using the Boombox 4’s USB-C port* to enjoy lossless audio playback

Dimensions (W x H x D): 180 x 69

Earbud battery type: Lithium-ion battery (55 mAh / 3

4GHz Wireless carrier frequency: 2400 MHz - 2483

2022: Check with manufacturer for the most up-to-date compatibility

JBL Battery 400 Father's Day 2024 Set 1 Plug into your laptop orAdd to Cart General Features Whats in the box Key Specifications Reviews General Features A great host always has a spare battery Keep the party going twice as long by having a spare JBL Battery 400 on hand. Just insert it into the battery slot in the back of your JBL PartyBox Stage 320 when the first one loses its charge. Each battery has enough power for up to 18 hours of playtime, which means you could keep the party going for up to 36 hours.