| Brand | ESER |
| Model | H166 |
| Quantity | 1 |
| Color | White |
| Material | Plastic housing |
| Bluetooth Standard | V2.1 |
| USB Standard | Mini USB interface |
| Frequency | 2480MHz |
| Operation Range | 10 m |
| Suitable Device | Ipad Iphone cellphone notebook and other digital devices with Bluetooth function |
| Data Transmission Rate | 3Mbps |
| BQB Certification | No |
| Supports System | Windows 2000 / XP / Vista / 7 |
| Other Features | Simple operation the 3.5mm audio cable can connect the speaker with the receiver; High-performance AMP chip can push earphone and high-power speaker applicable to all kinds of speaker; Strong Bluetooth IC great compatibility; Red and blue LED light design very beautiful and humane; Two LED lights flashes alternatively the blue light flashes slowly after connection the red LED light is on until it is fully charged during charging; Technical parameter standard Bluetooth V2.1 supports A2DP V1.2 DC 5V supply; Battery: built-in 350mAh battery 5 to 7 hours battery life 70% volume; Charging time: 1.5 to 2 hours. |
| Packing List | 1 x Bluetooth receiver 1 x Audio cable (46.5cm) 1 x Charging cable (79.5cm) |