This Bluetooth speaker generates crisp and vivid sounds for an exceptional audio experience. The speaker is carefully built for great compatibility. It offers a wide signal transmission rate of up to 10 meters. 

• Bluetooth V2.1+EDR.
• Supported profiles: OPP, OBEX, SPP, A2DP, AVRCP, FTP, HS/HF, DUN.
• Transmission range: 10 meters.
• Frequency: 2.4GHz-2,480GHz.
• Signal-to-noise ratio: ≥75dB.
• Sensitivity: ≤80dB.
• Audio input: Bluetooth, line-in.
• Input voltage: 3.5V-4.5V.
• Operation temperature: -20°C to +60°C.
• Speaker output power: 4Ω, 3W x 2.
• Embedded battery: 800mAh.
• Package: Bluetooth speaker, DC adaptor, USB cable, audio cable, quick-start guide.