Ugreen Transmitter Audio Adapter vs Avantree Bluetooth Transmitter Relay

Avantree Bluetooth Transmitter Relay (Channels)
CHF31.90

Avantree Bluetooth Transmitter Relay

Channels

Ugreen Transmitter Audio Adapter (Channels)
CHF16.50

Ugreen Transmitter Audio Adapter

Channels

Avantree Bluetooth Transmitter Relay (Channels)
CHF31.90

Avantree Bluetooth Transmitter Relay

Channels

Delivered tomorrow
Ugreen Transmitter Audio Adapter (Channels)
CHF16.50

Ugreen Transmitter Audio Adapter

Channels

Delivered tomorrow

Bluetooth version
Bluetooth version
5.3
Bluetooth version
Bluetooth version
5.4
Bluetooth profiles
Bluetooth profiles
aptX, aptX-LL, SBC
Bluetooth profiles
Bluetooth profiles
unknown
Audio inputs
Audio inputs
3.5mm jack (1x)
Audio inputs
Audio inputs
3.5mm analogue jack
Audio outputs
Audio outputs
3.5mm jack (1x)
Audio outputs
Audio outputs
–

Description
Description
Relay Bluetooth adapter for airplanes or audio devices with aptX Adaptive and Low Latency. The included 
Description
Description
With this device, you can wirelessly stream audio from non-Bluetooth sources such as in-flight entertainment 

Item number
Item number
37398479
Item number
Item number
65386887
Manufacturer
Manufacturer
Avantree
Manufacturer
Manufacturer
Ugreen
Category
Category
Warranty score
Warranty score
0.6 %
Warranty score
Warranty score
0.7 %
Warranty case duration
Warranty case duration
0 days
Warranty case duration
Warranty case duration
0 days
Return rate
Return rate
4.1 %
Return rate
Return rate
1.8 %
Manufacturer No.
Manufacturer No.
BTTC-218
Manufacturer No.
Manufacturer No.
65706
Release date
Release date
8.8.2023
Release date
Release date
27.11.2025
Sales rank in Category Bluetooth adapters
Sales rank in Category Bluetooth adapters
3 of 435
Sales rank in Category Bluetooth adapters
Sales rank in Category Bluetooth adapters
19 of 435

Colour
Colour
Black
Colour
Colour
Black
Exact colour description
Exact colour description
Black
Exact colour description
Exact colour description
Black

Bluetooth adapter type
Bluetooth adapter type
AUX Bluetooth Adapter
Bluetooth adapter type
Bluetooth adapter type
AUX Bluetooth Adapter
Direction of transmission
Direction of transmission
Channels
Direction of transmission
Direction of transmission
Channels
Bluetooth version
Bluetooth version
5.3
Bluetooth version
Bluetooth version
5.4
Bluetooth profiles
Bluetooth profiles
aptX, aptX-LL, SBC
Bluetooth profiles
Bluetooth profiles
unknown

USB ports
USB ports
USB-C
USB ports
USB ports
USB-C
Audio inputs
Audio inputs
3.5mm jack (1x)
Audio inputs
Audio inputs
3.5mm analogue jack
Audio outputs
Audio outputs
3.5mm jack (1x)
Audio outputs
Audio outputs
–

Power supply
Power supply
Rechargeable battery operated
Power supply
Power supply
Rechargeable battery operated, USB power delivery

Battery life
Battery life
1200 min
Battery life
Battery life
1140 min

Country of origin
Country of origin
China
Country of origin
Country of origin
China

Scope of delivery
Scope of delivery
3.5mm dual aeroplane adapter, Case, USB-C charging cable
Scope of delivery
Scope of delivery
Dual 3.5mm AUX adapter, USB-C charging cable

Height
Height
10 mm
Height
Height
unknown
Width
Width
55 mm
Width
Width
unknown
Depth
Depth
20 mm
Depth
Depth
unknown
Weight
Weight
16 g
Weight
Weight
unknown

Length
Length
17.70 cm
Length
Length
17.90 cm
Width
Width
14.70 cm
Width
Width
10.20 cm
Height
Height
1.30 cm
Height
Height
2.50 cm
Weight
Weight
87 g
Weight
Weight
106 g

Warranty
Warranty
24 Months Warranty (Bring-in)
Warranty
Warranty
24 Months Warranty (Bring-in)