Popular Bluetooth Speaker For MP3,MP4,MP5,phone and Computer, Supporting TF/Micro SD Card

Specifications Bluetooth speaker 1.Good look and sound 2.Telephone voice report number 3.Apply to phone, computer,Mp3 etc.    Popular bluetooth speaker for MP3,MP4,MP5,phone and computer, supporting TF/Micro SD Card    Yan Long Electronics Co., Ltd. is a professional manufacturer of computer products for design, R&D and production, with products marketed worldwide. Our company is recognized for its perfect management and good credit. We have a total staff of 400, including 8 R&D members and 30 administrative people. Our guideline is "Quality Is Primary and Clients Are Foremost". speakers are our main products. We will offer the best products and service to all clients. Welcome to contact us for a beneficial cooperation. Feature*Compatible with Bluetooth phones, MP3/MP4/CD/PC/MAC/PSP, etc.*Built-in lithium battery 520mAh*Support TF card (Micro USB card)*Support A2DP, AVRCP, headset, handsfree profile Specification*Bluetooth protocol: version 2.1+EDR*Bluetooth range: 10 meters.*Input sensitivity: 300MV*Frequency range: 80Hz~20KHz*Signal-to-noise ratio : >76dB*Talking time: up to 5 hours*Charging time: about 2 hours.*Power supply: USB Power*Rated power: 3W*Dimension: 60mm*50mm*Net weight: 230g*Color: Silver, Red, Blue What's in Box*USB Charging Cable*User Guide