Specifications:

1. Item: bluetooth Audio Transmitter2. Color: Black3. bluetooth Version: bluetooth 2.1+EDR4. bluetooth Profiles: A2DP / AVRCP5. Frequency: 2.4GHz~2.4835GHz6. Effective Range: up to 10m7. Input voltage: DC 5V8. Charge time: Approx. 2~3 hours9. Work time: Approx. 5~7 hours10. Material: ABS11. Item size: Approx. 4.5 * 3.5 * 0.8cm / 1.8 * 1.4 * 0.3in12. Item weight: Approx. 15g / 0.5oz13. Package size: 11 * 7.5 * 2cm / 4.3 * 3 * 0.8in14. Package weight: Approx. 40g / 1.4oz
Features:
1. bluetooth transmitter enable your regular stereo audio devices such as a smart TV, desktop PC, laptop, walkman, CD player and even a motocycle be bluetooth available, easily pairing with a bluetooth stereo headphones, earbuds, speakers and other bluetooth enabled audio systems.
2. Features bluetooth V3.0 with A2DP.
3. Built-in rechargeable li-battery, can work for 5~7 hours after fully charged.4. Compact size, portable and lightweight. Package Included:
1 * bluetooth Audio Transmitter1 * USB Charge Cable1 * User Manual(English)