Fone de ouvido sem fio bluetooth estéreo fone de ouvido esportes universal viva-voz

Specifications: Compatible with most cellphone and devices with bluetooth capabilities. High quality soud with high clarity speaker and enhanced BASS effect. CD quality sound with apt-X codex support. Comfortable, flexible and light. Easy to handle ear set with magnetic properties. Type: Earphone Connectivity: bluetooth-compatible Wireless Earpiece Design: Earbud (In Ear) Fit Design: Neckband Features: Closed Back Sound Track: Stereo Bluetooth Version: V4.0 Amplifier Output Power: RMS 2x18MW (THD = 10%) Power Amplifier SNR: ≥90dB Input Voltage: 3.7V Rechargeable Lithium Battery (Included) Play Time: 4-5 Hours Talk time: about 8 hours Charging Time: 1.2-1.5 hours Charging Input Voltage: DC5V 50MAH Speaker Specifications: 2x32Ω 20MW Φ10mm Frequency Range: 20Hz-20KHz Sensitivity: ≥100db ± 2db SNR: ≥80Db Transmit/Receive Frequency: 2.4 --- 2.48GHz Distance: 10 m Accessible Length: 65cm/25.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. The color(black, white) of the earbuds will be sent by random. Package Includes:   1 x Earphone 1 x USB Cable 2 Pairs of Earbuds 1 x Chinese/English User Manual