Brand Name: nby Communication: AUX Communication: USB Communication: bluetooth Display Screen: No Battery: Yes Speaker Type: Portable Power Source: Battery Number of Loudspeaker Enclosure: 1 Cabinet Material: Plastic Audio Crossover: Full-Range Built-in Microphone: Yes Channels: 2 (2.0) Feature: Phone Function Intelligent Personal Assistant: NONE Output Power: 10W Remote Control: No Support Memory Card: Yes Playback Function: Radio Playback Function: MP3 Voice Control: No Material: Plastic Support Apt-x: No Display Screen: No Waterproof: No PMPO: 10W Support APP: No Model Number: NBY4070 Frequency Range: 85Hz-20KHz Style: True Wireless