Specification:

1) Bluetooth protocol: version 2.0 CSR Blue Core 4 chip

2) Frequency: 2.4 GHz

3) Bluetooth range: 10meters.

4) Net weight: 18g

5) Talking time:up to 5 hours

6) Standby time: up to 90 hours

Features:

Gift box size: 44.5*43*34cm

weight: G.W:9kg

50pcs one carton