Low Price Bluetooth Earbuds (Headphone) Crystal Sound Quality (HF-BH513)

Technical Parameters:
1) CSR solution, HSP, HFP, A2DP, AVRCP
2) Carrier frequency: 2402MHz-2480MHz
3) USB interference: High speed USB 2.0
4) Battery: Chargeable 3.7V/250mA/h lithium-ion battery 8)Charging time: Less than 3 hours
5) Successive working time: Up to 10 hours; Standby time: 180hours or longer 10)Frequency response: 20 Hz— 20kHz
6) S/N ratio: _82dB
7) Bluetooth version 3.0
Features and Function:
* Answering phone call.
* Perfect wearing comfort with fashionable style.
* Maximum adjust the headband size to fit for every person
* Contracted foldable design
* Whole headphone without unnecessary headphone parts
* Charming and fashionable headphone
* Different color for your choice
* Detailed stereo sound quality
* Long working time, short charging time