Brand New DESCRIPTION 1. Latest bluetooth version: V4.0+EDR 2. Cable number. Support for A2DP 3. Frequency range of work: ISM frequency band (2.4 ~ 2.48GHZ) 4. The wireless connection is as high as 10 meters 5, support Hands - Free, Headset, bluetooth protocol specification 6. Support two mobile phones at the same time, and can remember up to eight bluetooth pairs. 7. Built-in DSP noise suppression and echo cancellation function 8. Equipped with high fidelity 2W speaker and high sensitivity microphone 9. Battery type: lithium, 3.7 v, 650mah (BL - 5B) Packing size: 12*3.5*15CM Product + accessories + packing weight: 185g 50 sets/carton Net weight 9.3 KG Gross weight 10 kg
