Features:

Built-in 45mm large speaker combined with vibrating diagram applying Zealot's professional tuning techique, Ironman S5 is a mini yet powerful wireless speaker with gorgeous timbreBluetooth4.0 Technology works with Virtually any Bluetooth-Enabled Device (Smartphones, Tablets, PCs)Iron body with exqquisite detail resolvement brings simplicity, yet not simpler.Built-in 2000mAh battery, which can last for up to 10 hours on a single charge.This is a multifunctional bluetooth speaker which support wireless bluetooth music, FM, TF card, and USB MP3 playback3.5mm stereo jack can connect Audio player (desktop PC, laptop, tablet, and etc.)

Specifications:

Battery capacity: 2000maH Bluetooth Version: CSR 4.0Music time: 6-12hrs Standby time: ≥20 days Transmission distance: 10m Frequency response: 20Hz-20KHzSpeaker: 4ΩSNR: ≥90dBOperating voltage: 3.7VDistortion:<1%Input voltage: 5V/ 1A Output voltage: 5V Output power: 3W Work voltage: 3.7V USB/Micro SD support: 32G(Max)Size: 72x 72 x 82 mm Color: BlackWeight: 200g