Bluetooth version: Bluetooth V3.0?

Technical support: HSP， HFP， A2DP， AVRCP， CVC， DSP?

Support functions: calls， music， a prop two functions， volume addition and subtraction， then hang up， redial， reject calls， last number redial?

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IOS system power display power saving mode?

Talk time: 3-4 hours?

Music time: 4-5 hours?

Standby time: 100 hours?

Effective distance: 10 meters?

Charging time: 1 hour?

Charger Power AC input 110-240V DC output 5V?

Package weight: 80g?

Color: black， white?

Product List: Bluetooth host， ear hook， deputy headphone cable， USB charging cable， manual， beautifully packaged