Bluedio UFO 8 Speaker Headband Music Bluetooth Headset Lossless High Resolution Wireless Stereo Headset(Black)

1. Battery capacity: 650mAh
2. Bluetooth version: Bluetooth 4.1
3. Frequency range: 2.4GHz-2.48GHz
4. Operating range: up to 10 meters (no obstacle space)
5. Support protocol: A2DP, AVRCP, HSP, HFP
6. Driver unit: 50mm x 2, 20mm x 6
7. Frequency response: 5-25000Hz
8. Impedance: 32 ohms
9. Distortion: about 0.3%-3% (THD)
10. Sensitivity: 120dB
11. Audio resolution: up to 24Bit@48KHz
12. Bluetooth music time: up to 25h
13. Talk time: up to 28h
14. Standby time: up to 1300h
15. Chip type: CSR
16. Material: ABS+Metal

Features:
1. Composite chamber structure, precise control of airflow in the chamber, bringing layered sound
2. Multi-layer air damping to reduce interference with the diaphragm, adjusting the sound range of each section to make the sound more dynamic
3. UFO is equipped with a 4.1 chip integrated 3D surround sound technology, virtual 5.1-channel sound effect
4. The body is made of aviation aluminum titanium alloy, light weight and high strength
5. Extension arm and other key parts of the use of metal reinforcement process, durable and bend-resistant
6. Built-in powerful Bluetooth 4.1 chip, signal enhancement, lower power consumption
7. 3.5mm audio cable can be connected to cell phones, tablets, PC and other playback devices, but also can be connected to desktop digital players, professional headphone amplifiers and so on
8. Skin-friendly protein material ear cups, built-in elastic memory sponge, soft and close to the delicate ear, suitable for long time wearing, effectively reduce sound leakage

Packing list:
- Bluetooth headset x 1
- USB charging cable x 1
- Instruction manual x 1
- Storage bag x 1
- Mountaineering buckle x 1
- 3.5mm gold-plated audio cable x 1