• Gift set includes Light-Up-Your-Logo MG369 patented insulated tumbler and IT229 wireless earbuds – essentials for working from home or the office. • Tumbler logo is illuminated by pressing button at base or by shaking device. Earbud logo is illuminated while in use. • 16 oz. 473 mL) double-wall insulated tumbler with ABS Plastic exterior and 304 Stainless Steel interior with Polypropylene Plastic twist-on lid. • Designed for use with hot and cold beverages and is hand wash only (do not microwave or place in freezer) • Tumbler Uses 2 button cell batteries (CR2032) which come assembled in tumbler, and are replaceable. • Caution: Tumbler may leak if tipped or held upside-down. • Tumbler: US Patent: 10,874,232 B2 • The matching wireless earbuds made of ABS Plastic with soft Silicone covers for comfort during use. • Earbud Power/Technology: Rechargeable lithium ion battery: Capacity: 3.7V/70 mAh; Input: DC 5V/50mA; Output: 5mW; Impedance: 32O; Frequency response: 20Hz-20KHz; Signal noise ratio:=75dB; Wireless V 5.0; Transmission range: 10m • Buds feature LED indicator light (red while charging, white flash when in pairing mode, turns solid when successfully paired) • Built-in microphone for taking/making calls • Earbuds must be charged prior to first use, charge time varies by device, minimum 90 minutes • Approx. audio playback time: 2.5 hours • Earbuds include instructions and USB charging cable (approx. 11.8"l). • Earbuds are FCC Approved. WARNING: Refer to the earbud instruction manual for safety and warning instructions. • Optional stock art label with your logo added for an additional fee (no personalization available): setup charge of $55 and run charge of $2.19 per piece.