Unleash your voice Make your good times even better with JBL PARTYBOX Wireless Mics. Just plug them into any JBL PARTYBOX, or use the dongle for the freedom of a wireless connection, and let your voice be heard. Indoors or outside, you'll sound clear and captivating on these mics specially tailored to sound amazing over any PARTYBOX speaker. A built-in foam pop filter minimizes any extraneous vocal sounds as you sing a duet with your best friend, and a shock mount system keeps things quiet when you're passing the mic to someone else. Up to 20 hours of play time and because you can still use a mic even while it's charging on the PARTYBOX's built-in power bank, the fun will last as long as the party does. Rock the house with the JBL PARTYBOX Wireless Mic. SPECS: Microphone Rechargeable Battery: 600mAh, 3.7V Li-ion battery Dongle Battery: 700mAh 3.7V Li-ion battery Playtime of Microphone: up to 20 hours Playtime of Dongle: up to 12 hours Microphone battery charge time: < 2.5H in off mode Dongle battery charge time: < 2.5H in off mode IN THE BOX: 2 x JBL PARTYBOX Wireless mic 1 x Dongle 1 x Quick-start guide 1 x Safety Instruction and Warranty Card 1 x USB-C cable