Feature: 1. Portable size. Easy to operate. Can make your sounds more louder. 2. Can change your voice from male to female or female to male freely. It can change to 8 kinds of different voices: Male (3 types), Female (3 types), Robot, and . 3. Can work with MP3, MP4, cell phone, and computer. High performance-to-price ratio. High quality, good frequency response. Low power consumption. 4. Two lithium batteries, long battery life, up to 8 hours, charging low voltage conservation function. Loudspeaker enclosure is ABS material, case with strap, can be worn at the waist. 5. Suitable for teaching, tour guiding, sales promotion, and speech, etc. Specification: Features: Portable size. Easy to operate. Can make your sounds more louder. Can change your voice from male to female or female to male freely. It can change to 8 kinds of different voices: Male (3 types), Female (3 types), Robot, and . Can work with MP3, MP4, cell phone, and computer. High performance-to-price ratio. High quality, good frequency response. Low power consumption. Two lithium batteries, long battery life, up to 8 hours, charging low voltage conservation function. Loudspeaker enclosure is ABS material, case with strap, can be worn at the waist. Suitable for teaching, tour guiding, sales promotion, and speech, etc. Specifications: Max output power: 10W Working voltage: 10.5V, 120MA Frequency response: 200Hz-15kHz Battery: 1000Ma lithium Color: Black Housing: ABS Host size: 98 * 85 * 35mm Net weight: 400g Package including: 1 * Speaker 1 * Microphone 1 * Charge cable 1 * Power Adapter 1 * Manual Package List: 1 * Speaker 1 * Microphone 1 * Charge cable 1 * Power Adapter 1 * Manual