Net weight: 240g Input/output: DC 5V 1A Charging time: 2H Function: bluetooth/ hands-free call/ TF card playback/ U disk playback/ TWS/ FM Color: White, Green, Pink, Light green, Wood grain Material: ABS+UV plating Response frequency range: 50HZ-18KHZ Bare metal size: 115*78*61mm Signal-to-noise ratio: 80db Bluetooth version: Jerry 5.0 Speaker: 4 3W 45MM Play time: 3-8 hours Effective distance: 10M Battery capacity: 3.7V 500mAh Package includes: 1pc x wireless speaker 1pc x Type-C cable 1pc x audio cable 1pc x English manual Features: Retro design: This vintage has a retro and elegant appearance, with retro classic aesthetics, dial adjustment, adjust the volume at will. FM radio mode, enjoy the afternoon, pay tribute to the classic memories. Compatible with Bluetooth 5.0: High-performance chip, more stable, more durable, fast transmission, low power consumption, barrier-free effective transmission distance of 10 meters. Professional sound design: Following professional sound design, the powerful acoustic configuration provides powerful power, allowing you to experience a cinema-like sound feast. Large-capacity battery: Built-in 500mAh large-capacity battery, get rid of the shackles of wires, when fully charged, it can be used for 8 hours and last a long time. One-Click Connection Technology: Make the sound stereoscopic, and the two speakers can enjoy a cinema-like experience together. Multi: Support Bluetooth compatible playback, insert memory card playback, USB playback and AUX audio playback, this vintage as a good choice for both leisure and formal occasions! With handle: With artificial leather handle, durable and easy to carry outdoors. Go out and listen to music while cooking, partying, gardening, garage, campfire, hiking, cycling or beach. Hands-free Answer: One-touch hands-free answer, clear and without jamming, no matter in the playback mode, calls can be answered hands-free. Note: 1. There is 2-3% difference according to manual measurement. Please check the size carefully before purchasing the item. 2. Please note that slight color difference should be acceptable due to the light and screen.