Shenzhen Hongzhi Electronics Co., Ltd

Model Number: SR-K25 ( 3 )-2 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%

Dimensions: 60*60*53mm

Weight: 230g

With microSD 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 Xpansion 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