Item Type: Retro Bluetooth Speaker Material: ABS Size: Approx. 130 x 90 x 73mm / 5.1 x 3.5 x 2.9in Battery: Li ion battery 18650 (built in) Battery Capacity: 500mAh Bluetooth Version: V5.0 Receiving Distance: Approx. 10m / 32.8ft Response Frequency: 90Hz-18KHz Signal to Noise Ratio: 90DB Speaker: Approx. 66mm / 2.6in Charging Time: 2-3 hours Playing Time: 3-6 hours Function: Bluetooth playback, Memory card playback, U disk playback, AUX audio playback, FM function. Package List 1 x Retro Bluetooth Speaker 1 x Charging Cable 1 x Instruction 1RETRO APPEARANCE: Small in size, with a retro look, this speaker is super cute and can not only play music but also decorate your desk. 2PORTABLE SIZE: This speaker has a small carrying handle, which is very convenient to carry, allowing you to easily listen to music anytime, anywhere. 3CLEAR STEREO: Despite its small size, the sound quality is perfect, whether you're listening to country, rock, you'll feel like you're there. 4LONG BATTERY LIFE: With a built in 500mAh rechargeable battery, the portable bluetooth speaker can last up to 6 hours with long battery life and short charging time. 5STRONG COMPATIBILITY: Equipped with advanced bluetooth 5.0 technology, compatible with all bluetooth devices, you can connect your device in one second. 6IDEAL GIFT: Anyone who loves music will love this retro speaker, and you can give it to your friends and family as a birthday present.