Model Number: SR-K21
Brand Name: SUNRISE
Key Specifications/Special Features:
Supports A2DP, AVRCP, headset, handsfree profileBluetooth version: V2.1Working range: up to 10m (about 33 feet)Working time: up to 5 hoursCharging time: 1-2 hours
Battery charging voltage: 5V ±0.5V
Battery capacity: 520mAh
Loudspeaker output: 40mm 2.6Ω 3W
Input power: DC 5V
Frequency response: 60Hz-18kHz
S/N: ≥96dB
Distortion: ≤0.5%
With micro SD TF card slot, you can play MP3/MP4 format files in the TF card
Wireless portable mini Bluetooth stereo speaker system
Saves you from the hassle of tangled wires
This model of speaker supports any mobile device comes with Bluetooth function such as iPhone, iPad, Samsung Galaxy/Note/tablet, laptop, tablet PC
Expanded BXS (bass expansion system) drives a fuller, richer low-end response
Built-in rechargeable battery, charged by computer via USB interface
Compact and portable, convenient to carry with FM radio function