?Features:
Bluetooth headset， compatible with Bluetooth enabled devices， such as iPhone， iPad， HTC， Lenovo， Samsung， Tablet PC， etc.
Bluetooth 3.0 + EDR， transmission distance up to 10 meters.
Built-in microphone， allows you to have wireless telephone conversations.
High quality rich sound， good choice for listening to music， watching movie， talking on the phone， etc.
Build-in rechargeable li-battery， charge via USB cable within 2 hours.
Standby time up to 120 hours， music & talk time about 4~5 hours.
In-ear design， lightweight and portable.

Specifications:

 Brand  CyberBlue
 Model  BH20B，BH20A
 Bluetooth  Bluetooth 3.0 + EDR
 Bluetooth profiles  HSP / HFP / A2DP / AVRCP
 Material  ABS
 Effective range  about 10m / 33ft
 Standby time  about 120 hours
 Phone talking time  about 4 hours
 Music time  about 5 hours
 Charging time  1.5~2 hours
 Input voltage  DC 5V
 Item size  Approx. 5 * 1.5 * 0.6cm / 2 * 0.6 * 0.2in
 item weight  Approx. 7g / 0.2oz
 Package size  11 * 9 * 2cm / 4.3 * 3.5 * 0.8in
 Package weight  Approx. 35g / 1.2oz

Package List:
1 * Bluetooth Headset
1 * Earphone
2 * Earphone Hat
1 * USB Charge Cable
1 * Instruction Manual (English)