Portable Wireless Bluetooth V4.2 Stereo Speaker with Rope, Built-in MIC, Support Hands-Free Calls & TF Card & AUX in & FM, 10m Bluetooth Distance (Black)
About the product: 
1. Portable design, easy to operate and convenient to carry. It is a good friend for traveling and outdoor sports. 
2. Bluetooth Stereo Speaker for iPhone and other Smartphones, so that you can enjoy a high definition stereo sound whether you're lounging around the house, or partying, walking out, camping, hiking, biking. 
3. Built-in Microphone: Supports hands-free calls. 
4. Support TF card & USB music playback, plug and play. Support AUX Audio & FM Function. 
5. Up to 10m transmission distance.
Specification:

General 
- Material: Plastics, Silicone, Nylon 
- Bluetooth Version: V4.2 
- Protocol: Handsfree, A2DP, AVRCP 
- Transmission Distance: Up to 10m 
- Frequency Response: 120-20kHz 
- SNR: >=90dB 
- Additional Functions: FM Radio, Hands-free Call 
- Power: 5W x 2 
- Interfaces 
- 1 x Micro USB port 
- 1 x 3.5mm Earphone Jack 
- 1 x TF card slot 
- 1 x USB 2.0 port

Battery 
- Battery Capacity: 1200mAh 
- Charging Time: 3-4 hours

Dimensions & Weight 
- Item Size: 6.9*6.9*16cm 
- Item Weight: 416g