Fashion Wireless Bluetooth Stereo Earphone Neckband Hv-800 In-ear Headset for Iphone 5s Cb020398 (Pink) Features: 100% Brand New. Model/MPN: HV-800/HB-800 (2 Models are random delivery!!) Color: Black, White, Pink, Orange(we use gold to represent orange), Yellow, Green, Blue, Red Circumference: 43cm (1inch=2.54cm) Length of headphone cable: 27cm Length of data cable: 79cm Newest Wireless CSR 3.0 Bluetooth headphone headset In earphone HV-800 stereo two-channel MP3 Music Handsfree with vibration microphone for iPhone, Samsung, HTC and other bluetooth devices. This product uses the new headset shape design, using the world famous Bluetooth Stereo Bluetooth chips, to ensure high-fidelity sound quality and stable performance and excellent call quality. This product supports Bluetooth V2.1 version, support for Bluetooth A2DP and calling features. Battery time supports up to 8-15 hours. It can connect bluetooth with two devices. Specifications: 1. Charging voltage: DC5V 150mAh 2. Working current: 25-35mA 3. Bluetooth A2DP Working range: 10m 4. Output power: 35mW 5. Frequency range: 2.401-2.480GHz 6. Distortion factor: 1% 7. Frequency response: 20Hz-20KHz 8. Working Time: Music/ HuaTong state 6-8 hours (The Volume will affect the time) 9. SNR: S/N95 10. Charging Time: 1h-2h 11. Talk time: 8-15 hours, play time: 6-10 hours 12. Music Playing Time: up to 10 hours 13. Frequency Response: 20 ~ 20000Hz 14. Sensitivity: 80dB 15. Impedance: 32 ohms 16. peaker Power: 2 x 18mW Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you! Package Content: 1 x HV/HB-800 Wireless Stereo Headset 1 x Charging Cable