Transmission range: 10 meters

Function: voice control

Bluetooth protocol: 4.0

Track: stereo

Use method: necklace

Features: intelligent boot pairing, yituo (can connect two phones at the same time), stereo, voice command, DSP noise reduction function, super long standby time

Bluetooth: CSR4.0

Support: HSP, HFP, A2DP, AVRCP

Power: Class2

Wireless connection range: 10 m or less

Frequency range: 2.40 GHZ to 2.40 GHZ

Charging time: 2 hours or less

Time: about 7.5 hours

Listen to the music time: about six hours

Standby time: about 100 hours

Color: black, white