Main Features: ● Professional trumpet has rich bass and bright high pitch.
● 1800mAh battery to provide 6h continuously playing time.
● Bluetooth V4.1， strong compatibility and quick connection， switch songs by phones within 15m.
● No matter where you are， carry it that owns attractive appearance and lightweight with you who were surrounded by music. Design: Classical，Portable
Compatible with: iPhone，iPod，Laptop，Mobile phone，PC，Tablet PC
Supports: Bluetooth，Hands-free Calls，NFC，Remote Control
Connection: Wireless
Audio Source: Bluetooth Enabled Devices
Certificate: CE，FCC Bluetooth version: Bluetooth 4.1
Transmission Distance: W/O obstacles ≥10m
Speaker Impedance: 4 ohm
Freq: 20Hz-18KHz
S/N: 70dB Power Source: USB
Charging Voltage: 5V
Working Voltage: 5V
Input: DC 5V， 100mA
Charging time: 4H
Battery Capacity: 1800mAh Battery Voltage: 3.7V
Battery Current: 1A Package weight: 0.797 kg
Product size (L x W x H): 17.00 x 17.00 x 1.50 cm / 6.69 x 6.69 x 0.59 inches
Package size (L x W x H): 19.50 x 19.50 x 7.00 cm / 7.68 x 7.68 x 2.76 inches Package Contents: 1 x Speaker， 1 x English User Manual， 1 x USB Cable， 1 x Audio Cable， 1 x Bracket