MP3 Player Handsfree mobile phone card magic sound Bluetooth stereo subwoofer

product description:
Bluetooth Version: 3.0
Frequency: 2.402-2.480GHz
Maximum output power: 3W
MIC Sensitivity: -38db
Sensitivity: Better than -82dBm
Distance: 10-30meters
Charge voltage: 4.8V -5.5V DC
Operating voltage: 3.7V -4.2V DC
Working current: 150MA
Quiescent Current:> 1UA
Battery: 400Mah
Dimensions: 62.5 * 62.5 * 65mm
Material: Metal
Color: black, red, blue, silver, champagne

Features:
Bluetooth V3.0 + EDR international standards, 10 meters range wireless connection (open)
Hands-free phone calls, call no echo, one-touch wireless speakerphone
Support TF card, dual audio decoding, direct broadcast card
Audio input, USB sound card
Built-in high-quality 16-core dual magnetic speaker, focused voice test
Bluetooth stereo can use as TF Card Reader
Have around the selections and pause button
Built-in high-capacity lithium battery, sustainable play 6 hours
LINE-IN interface with external mp3, computers, CD and other sources

Packing:
Size: 62 * 72 (H) mm
Box size: 115 * 70 * 70mm
Carton quantity: 80
Carton Size: 510 * 330 * 380mm