GGMM D3 Battery Base for Amazon Alexa Echo Dot 3rd Gen Alexa Speaker Holder Mount Charger For Echo Dot 3 With 8 Hours Playing Armband Frequency Response Range: 20 -

Frequency Response Range: 20 - 20000Hz

Charging Time: 5h

Exterior: Silt Pocket

Feature 3: Over Ear Stereo Gaming Headphone With Microphone

Output: 4K UHD Output

GGMM D3 Battery Base for Amazon Alexa Echo Dot 3rd Gen Alexa Speaker Holder Mount Charger For Echo Dot 3 With 8 Hours Playing Armband Frequency Response Range: 20 -SPECIFICATIONS Type: Charge Mount For Amazon Echo Dot 3rd Suit Device: Compatiable with amazon echo dot 3rd generation Style 3: For Amazon Alexa Accessories Style 2: Support battery for dot 3nd generation Style 1: Rechargable Battery Case For echo dot 3 Package: Yes Origin: Mainland China Model Number: GGMM D3 Material: Plastic Item Type: Speaker Accessories Kits Function 2: Kitchen Bedroom Bathroom Office Function 1: Power Bank For amazon echo dot